APA引文

Penner, C. (2003). The gift of sex: A guide to sexual fulfillment. W. Publishing Group.

Chicago Style (17th ed.) Citation

Penner, Clifford. The Gift of Sex: A Guide to Sexual Fulfillment. Tennessee: W. Publishing Group, 2003.

MLA引文

Penner, Clifford. The Gift of Sex: A Guide to Sexual Fulfillment. W. Publishing Group, 2003.