
In general if you want to stick with style=apa, and have an entry where you can't give a date/ year and you still don't want "n.d. In most cases, it is enough to provide the author, title, year, publisher, and address fields for BibTeX to generate a correct citation. You can use book for any complete published work with a clearly defined publisher. Bishop (New York: Garland, World Folktale Library vol. The book entry type is used to properly reference a book in BibTeX.

Lovelace and Eileen Collins music transcription and commentary by Julia C. Mannheim: Bibliographisches Institut 2016.) entry, you could of course just get that Duden from your library and cite it directly skipping the middle man (bpb). Widdowson, editors, with the assistance of Martin J. Since this entry is just a copy of a (specialist) Duden ( Duden Wirtschaft von A bis Z: Grundlagenwissen für Schule und Studium, Beruf und Alltag. From the contents of the linked page date=, In this particular case you could try and add a date field. While the standard styles will take urldate into account when they calculate the label date, APA style does not and will show "n.d." if there is only a urldate. If you don't want APA style it may be better to use different, more generic style such as style=authoryear, or one of its derivatives. Recently, it has been booming in a wide variety of domains: finance, food, energy, and health.


JABREF BOOK AUTHOR OR EDITOR FIELD MANUAL
The APA manual contains extremely detailed style requirements, amongst them is to show "n.d." if a citation does not have a date. Blockchain technology provides a distributed support for information storage and traceability. JabRef is developed and maintained by a multidisciplinary. This is why we develop JabRef as free open-source software and save your data in a simple text-based file format with no vendor lock-in. You are loading style=apa, which produces citations and bibliographies according to the Publication Manual of the American Psychological Association. We value open access to information and believe modern science can built on an open institutional structure. It also messed with the 'pages' field of some items, outputting: Andrea B.
