APA (7th ed.) Citation

Horton, D. (1966). Vatican Diary 1965: A Protestant Observes The Fourth Session Of Vatican Council II. United Church Press.

Chicago Style (17th ed.) Citation

Horton, Douglas. Vatican Diary 1965: A Protestant Observes The Fourth Session Of Vatican Council II. United Church Press, 1966.

MLA (8th ed.) Citation

Horton, Douglas. Vatican Diary 1965: A Protestant Observes The Fourth Session Of Vatican Council II. United Church Press, 1966.

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