APA (7th ed.) Citation

Horton, D. (1964). Vatican diary, 1963: A protestant observes the second session of Vatican Council II. United Church press.

Chicago Style (17th ed.) Citation

Horton, Douglas. Vatican Diary, 1963: A Protestant Observes the Second Session of Vatican Council II. Philadelphia: United Church press, 1964.

MLA (9th ed.) Citation

Horton, Douglas. Vatican Diary, 1963: A Protestant Observes the Second Session of Vatican Council II. United Church press, 1964.

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