APA (7th ed.) Citation

Gambril, D. (1969). Swimming / by D.L. Gambril. Goodyear.

Chicago Style (17th ed.) Citation

Gambril, Don. Swimming / by D.L. Gambril. Goodyear, 1969.

MLA (9th ed.) Citation

Gambril, Don. Swimming / by D.L. Gambril. Goodyear, 1969.

Warning: These citations may not always be 100% accurate.