APA-viite (7. p.)
Speroff, L., & Darney, P. D. (2011). A clinical guide for contraception (Fifth edition.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
Chicago-viite (17. p.)
Speroff, Leon, ja Philip D. Darney. A Clinical Guide for Contraception. Fifth edition. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2011.
MLA-viite (9. p.)
Speroff, Leon, ja Philip D. Darney. A Clinical Guide for Contraception. Fifth edition. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.