APA (7th ed.) Citation

Granzotto, G. (1988). Christopher Columbus: The dream and the obsession. Grafton.

Chicago Style (17th ed.) Citation

Granzotto, Gianni. Christopher Columbus: The Dream and the Obsession. London: Grafton, 1988.

MLA (9th ed.) Citation

Granzotto, Gianni. Christopher Columbus: The Dream and the Obsession. Grafton, 1988.

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