Cita APA (7th ed.)

Gambril, D. L. (1969). Swimming. Goodyear Pub.

Cita Chicago (17th ed.)

Gambril, Donald L. Swimming. Pacific Palisades, Calif: Goodyear Pub, 1969.

Cita MLA (9th ed.)

Gambril, Donald L. Swimming. Goodyear Pub, 1969.