APA (7th ed.) Citation

Mayer, F., & Hebblethwaite, P. (1980). The Vatican. Gill and Macmillan.

Chicago Style (17th ed.) Citation

Mayer, Fred, and Peter Hebblethwaite. The Vatican. Dublin: Gill and Macmillan, 1980.

MLA (8th ed.) Citation

Mayer, Fred, and Peter Hebblethwaite. The Vatican. Gill and Macmillan, 1980.