APA (7th ed.) Citation

Nichols, P. (1968). The politics of the Vatican. Pall Mall Press.

Chicago Style (17th ed.) Citation

Nichols, Peter. The Politics of the Vatican. London: Pall Mall Press, 1968.

MLA (8th ed.) Citation

Nichols, Peter. The Politics of the Vatican. Pall Mall Press, 1968.

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