Cita APA (7a ed.)

Thielicke, H., & Doberstein, J. W. (1964). The ethics of sex. Harper & Row.

Cita Chicago Style (17a ed.)

Thielicke, Helmut, y John W. Doberstein. The Ethics of Sex. New York: Harper & Row, 1964.

Cita MLA (9a ed.)

Thielicke, Helmut, y John W. Doberstein. The Ethics of Sex. Harper & Row, 1964.