Cita APA (7a ed.)

Sheets-Johnstone, M. (2008). The roots of morality. Pennsylvania State University Press.

Cita Chicago Style (17a ed.)

Sheets-Johnstone, Maxine. The Roots of Morality. University Park, Pa.: Pennsylvania State University Press, 2008.

Cita MLA (8a ed.)

Sheets-Johnstone, Maxine. The Roots of Morality. Pennsylvania State University Press, 2008.