APA (7th ed.) Citation

Larkin, F. (1980). Understanding the Heart (2d, rev. ed.). Ignatius Press.

Chicago Style (17th ed.) Citation

Larkin, Francis. Understanding the Heart. 2d, rev. ed. San Francisco: Ignatius Press, 1980.

MLA (8th ed.) Citation

Larkin, Francis. Understanding the Heart. 2d, rev. ed. Ignatius Press, 1980.