Bruce, G. (2017) Through the lion gate : a history of the Berlin Zoo [book]. New York: Oxford University Press.
Chicago Manual of Style 17th edition (full note)Bruce, Gary. Through the lion gate : a history of the Berlin Zoo. Book. New York: Oxford University Press, [2017?], New York: Oxford University Press, [2017?].
American Psychological Association 7th editionBruce, G. (ca. 2017). Through the lion gate : a history of the Berlin Zoo [Book]. Oxford University Press.
Modern Language Association 9th editionBruce, G. Through the lion gate : a history of the Berlin Zoo. book, Oxford University Press, 2017.
ISO-690 (author-date, Deutsch)BRUCE, Gary, 2017. Through the lion gate : a history of the Berlin Zoo. New York: Oxford University Press. ISBN 9780190234980
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.