Παραπομπή APA

Jagersten, G. (1972). Evolution of the metazoan life cycle. Academic press.

Παραπομπή Chicago Style

Jagersten, Gosta. Evolution of the Metazoan Life Cycle. New York: Academic press, 1972.

Παραπομπή MLA

Jagersten, Gosta. Evolution of the Metazoan Life Cycle. Academic press, 1972.