APA način citiranja

Reitner, J., & Keupp, H. (1991). Fossil and recent sponges. Springer.

Čikaški stil citiranja

Reitner, J., i H. Keupp. Fossil and Recent Sponges. New York: Springer, 1991.

MLA način citiranja

Reitner, J., i H. Keupp. Fossil and Recent Sponges. Springer, 1991.