Ethics : An Introduction to Theories and Problems.

MLA

Sahakian, William S. Ethics : An Introduction to Theories and Problems. New York: Barnes & Noble Books, 1974.

APA

Sahakian, W. S. (1974). Ethics : An Introduction to Theories and Problems. New York: Barnes & Noble Books.

Chicago

Sahakian, William S. Ethics: An Introduction to Theories and Problems. New York: Barnes & Noble Books, 1974.