APA (7th ed.) Citation

Gulick, J. (1967). Tripoli, a modern Arab city. Harvard University Press.

Chicago Style (17th ed.) Citation

Gulick, John. Tripoli, a Modern Arab City. Cambridge: Harvard University Press, 1967.

MLA (9th ed.) Citation

Gulick, John. Tripoli, a Modern Arab City. Harvard University Press, 1967.