APA ציטוט

Asimov, I. (1972). Asimov's guide to science. New York: Penguin Books.

Trích dẫn kiểu Chicago

Asimov, Isaac. Asimov's Guide to Science. New York: Penguin Books, 1972.

ציטוט MLA

Asimov, Isaac. Asimov's Guide to Science. New York: Penguin Books, 1972.