Cita APA (7th ed.)
Frohlich, E. D., & Rypins, H. (1993). Rypin's questions & answers for basic sciences review (2nd ed.). Lippincott.
Cita Chicago (17th ed.)
Frohlich, Edward D., i Harold Rypins. Rypin's Questions & Answers for Basic Sciences Review. 2nd ed. Philadelphia: Lippincott, 1993.
Cita MLA (9th ed.)
Frohlich, Edward D., i Harold Rypins. Rypin's Questions & Answers for Basic Sciences Review. 2nd ed. Lippincott, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.