APA (7th ed.) Citation

Willingham, C. (1969). Providence Island. Vanguard Press.

Chicago Style (17th ed.) Citation

Willingham, Calder. Providence Island. New York: Vanguard Press, 1969.

MLA (9th ed.) Citation

Willingham, Calder. Providence Island. Vanguard Press, 1969.

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