APA (7th ed.) Citation

Hollis, C. (1967). The achievements of Vatican II. Hawthorn Books.

Chicago Style (17th ed.) Citation

Hollis, Christopher. The Achievements of Vatican II. New York: Hawthorn Books, 1967.

MLA (9th ed.) Citation

Hollis, Christopher. The Achievements of Vatican II. Hawthorn Books, 1967.

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