APA (7th ed.) Citation

Greeley, A. M. (1991). The Cardinal Virtues. Warner Books.

Chicago Style (17th ed.) Citation

Greeley, Andrew M. The Cardinal Virtues. Warner Books, 1991.

MLA (8th ed.) Citation

Greeley, Andrew M. The Cardinal Virtues. Warner Books, 1991.

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