APA-viite (7. p.)

Schäfer, W., & Craig, G. Y. (1972). Ecology and palaeoecology of marine environments. Oliver and Boyd.

Chicago-viite (17. p.)

Schäfer, Wilhelm, ja G. Y. Craig. Ecology and Palaeoecology of Marine Environments. Edinburgh: Oliver and Boyd, 1972.

MLA-viite (9. p.)

Schäfer, Wilhelm, ja G. Y. Craig. Ecology and Palaeoecology of Marine Environments. Oliver and Boyd, 1972.