APA (7th ed.) Citation

Butler, R. N., & Lewis, M. I. (1986). Love and sex after 40: A guide for men and women for their mid and later years. Harper & Row.

Chicago Style (17th ed.) Citation

Butler, Robert N., and Myrna I. Lewis. Love and Sex After 40: A Guide for Men and Women for Their Mid and Later Years. New York: Harper & Row, 1986.

MLA (8th ed.) Citation

Butler, Robert N., and Myrna I. Lewis. Love and Sex After 40: A Guide for Men and Women for Their Mid and Later Years. Harper & Row, 1986.