Cita APA (7th ed.)

Buschmann, R. F. (2007). Oceans in world history. McGraw-Hill.

Cita Chicago (17th ed.)

Buschmann, Rainer F. Oceans in World History. Boston, MA: McGraw-Hill, 2007.

Cita MLA (9th ed.)

Buschmann, Rainer F. Oceans in World History. McGraw-Hill, 2007.