APA Citation

Soule, G. (1991). Christopher Columbus: On the green sea of darkness. New York: Marshall Cavendich Corporation.

Chicago Style Citation

Soule, Gardner. Christopher Columbus: On the Green Sea of Darkness. New York: Marshall Cavendich Corporation, 1991.

MLA Citation

Soule, Gardner. Christopher Columbus: On the Green Sea of Darkness. New York: Marshall Cavendich Corporation, 1991.

Warning: These citations may not always be 100% accurate.