Cita APA (7a ed.)

Thatcher, D. A. (1973). Teaching, loving, and self-directed learning. Goodyear Pub. Co.

Cita Chicago Style (17a ed.)

Thatcher, David A. Teaching, Loving, and Self-directed Learning. Pacific Palisades, Calif.: Goodyear Pub. Co, 1973.

Cita MLA (8a ed.)

Thatcher, David A. Teaching, Loving, and Self-directed Learning. Goodyear Pub. Co, 1973.