APA (7th ed.) Zitazioa

Schevill, W. E. (1974). The whale problem: A status report. Harvard University Press.

Chicago Style (17th ed.) Zitazioa

Schevill, William E. The Whale Problem: A Status Report. Cambridge: Harvard University Press, 1974.

MLA (9th ed.) Zitazioa

Schevill, William E. The Whale Problem: A Status Report. Harvard University Press, 1974.