APA (7th ed.) Citation

O'Neill, N., & O'Neill, G. (1972). Open marriage: A new life style for couples. M. Evans.

Chicago Style (17th ed.) Citation

O'Neill, Nena, and George O'Neill. Open Marriage: A New Life Style for Couples. New York: M. Evans, 1972.

MLA (9th ed.) Citation

O'Neill, Nena, and George O'Neill. Open Marriage: A New Life Style for Couples. M. Evans, 1972.

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