Cita APA (7th ed.)

Fagan, J., & Shepherd, I. L. (1973). Life techniques in gestalt therapy. Harper & Row.

Cita Chicago (17th ed.)

Fagan, Joen, i Irma Lee Shepherd. Life Techniques in Gestalt Therapy. N.Y.: Harper & Row, 1973.

Cita MLA (8th ed.)

Fagan, Joen, i Irma Lee Shepherd. Life Techniques in Gestalt Therapy. Harper & Row, 1973.