APA (7th ed.) Citation

Bathe, B. W. (1990). Seven centuries of sea travel: From the crusaders to the cruises. Portland House.

Chicago Style (17th ed.) Citation

Bathe, Basil W. Seven Centuries of Sea Travel: From the Crusaders to the Cruises. New York: Portland House, 1990.

MLA (9th ed.) Citation

Bathe, Basil W. Seven Centuries of Sea Travel: From the Crusaders to the Cruises. Portland House, 1990.

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