Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.