APA aipamena

Silverberg, R. (1966). Forgotten by time: A book of living fossils. New York: Thomas Y. Crowell Company.

Chicago Style aipamena

Silverberg, Robert. Forgotten By Time: A Book of Living Fossils. New York: Thomas Y. Crowell Company, 1966.

MLA aipamena

Silverberg, Robert. Forgotten By Time: A Book of Living Fossils. New York: Thomas Y. Crowell Company, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.