APA (7th ed.) Citation

Baumeister, R. F., & Wotman, S. R. (1992). Breaking hearts: The two sides of unrequited love. Guilford.

Chicago Style (17th ed.) Citation

Baumeister, Roy F., and Sara R. Wotman. Breaking Hearts: The Two Sides of Unrequited Love. New York [etc.]: Guilford, 1992.

MLA (9th ed.) Citation

Baumeister, Roy F., and Sara R. Wotman. Breaking Hearts: The Two Sides of Unrequited Love. Guilford, 1992.