APA (7th ed.) Citation

Dor-Ner, Z., & Scheller, W. (1991). Columbus and the age of discovery. W. Morrow.

Chicago Style (17th ed.) Citation

Dor-Ner, Zvi, and William Scheller. Columbus and the Age of Discovery. New York: W. Morrow, 1991.

MLA (9th ed.) Citation

Dor-Ner, Zvi, and William Scheller. Columbus and the Age of Discovery. W. Morrow, 1991.

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