APA (7th ed.) Citation

Erich Segal & Francesca Segal. (1971). Love story. Harper Perennial Modern Classics.

Chicago Style (17th ed.) Citation

Erich Segal and Francesca Segal. Love Story. New York: Harper Perennial Modern Classics, 1971.

MLA (9th ed.) Citation

Erich Segal and Francesca Segal. Love Story. Harper Perennial Modern Classics, 1971.

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