APA

Jones W. . S. F. B. M. O. a. F. R. J. (., .Approaches to ethics. New York: .

Chicago

Jones W.T Sontag Frederick Beckner Morton O and Fogelin Robert J (eds.), .Approaches to ethics. New York: .

Harvard

Jones W. . S. F. B. M. O. a. F. R. J. (., .Approaches to ethics. New York: .

MLA

Jones W.T Sontag Frederick Beckner Morton O and Fogelin Robert J (eds.), .New York: . .