Citazione Stile APA (7a Edizione)

Bowie, G. L., Michaels, M. W., & Higgins, K. (1992). Thirteen questions in ethics. Harcourt Brace Jovanovich College.

Citazione stile Chigago Style (17a edizione)

Bowie, G. Lee, Meredith W. Michaels, e Kathleen Higgins. Thirteen Questions in Ethics. Forth Worth,Texas: Harcourt Brace Jovanovich College, 1992.

Citatione MLA (9a ed.)

Bowie, G. Lee, et al. Thirteen Questions in Ethics. Harcourt Brace Jovanovich College, 1992.