Fitch, W.T. (ohne Datum) Language evolution [book], Critical concepts in linguistics. London: Routledge.
Chicago Manual of Style 17th edition (full note)Fitch, William Tecumseh. Language evolution. Book. Critical concepts in linguistics. London: Routledge, o. J., London: Routledge, o. J.
American Psychological Association 7th editionFitch, W. T. (o. J.). Language evolution [Book]. In Critical concepts in linguistics. Routledge.
Modern Language Association 9th editionFitch, W. T. „Language evolution“. Critical concepts in linguistics, book, Routledge.
ISO-690 (author-date, Deutsch)FITCH, William Tecumseh, [kein Datum]. Language evolution. London: Routledge. ISBN 9780415679152
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.