Citazione Stile APA (7a Edizione)

Schafer, W., & Craig, G. Y. (1972). Ecology and palaeoecology of marine environments. University of Chicago Press.

Citazione stile Chigago Style (17a edizione)

Schafer, Wilhelm, e G. Y. Craig. Ecology and Palaeoecology of Marine Environments. Chicago: University of Chicago Press, 1972.

Citatione MLA (8a ed.)

Schafer, Wilhelm, e G. Y. Craig. Ecology and Palaeoecology of Marine Environments. University of Chicago Press, 1972.