APA (7th ed.) Citation

Frumkin, L. R., Leonard, J. M., Frumkin, L. R., & Leonard, J. M. (1987). Questions & answers on AIDS. Medical Economics Books.

Chicago Style (17th ed.) Citation

Frumkin, Lyn Robert, John Martin Leonard, Lyn Robert Frumkin, and John Martin Leonard. Questions & Answers on AIDS. Oradell, NJ: Medical Economics Books, 1987.

MLA (9th ed.) Citation

Frumkin, Lyn Robert, et al. Questions & Answers on AIDS. Medical Economics Books, 1987.