Cita APA

Kneer, L. B., & Cohen, R. S. (1972). The Life force: Dramatic challenges to personal strength and integrity. New York, New York: Staff.

Citación estilo Chicago

Kneer, Leo B., y Ruth S. Cohen. The Life Force: Dramatic Challenges to Personal Strength and Integrity. New York, New York: Staff, 1972.

Cita MLA

Kneer, Leo B., y Ruth S. Cohen. The Life Force: Dramatic Challenges to Personal Strength and Integrity. New York, New York: Staff, 1972.