Citazione Stile APA (7a Edizione)

Callahan, D., & Bok, S. (1980). Ethics teaching in higher education. Plenum Press.

Citazione stile Chigago Style (17a edizione)

Callahan, Daniel, e Sissela Bok. Ethics Teaching in Higher Education. New York: Plenum Press, 1980.

Citatione MLA (9a ed.)

Callahan, Daniel, e Sissela Bok. Ethics Teaching in Higher Education. Plenum Press, 1980.