APA (7th ed.) Citation

Gustafson, R. D., & Frisk, P. D. (1990). Essential mathematics with geometry. Brooks/Cole.

Chicago Style (17th ed.) Citation

Gustafson, Roy David, and Peter D. Frisk. Essential Mathematics with Geometry. Pacific Grove, Calif: Brooks/Cole, 1990.

MLA (9th ed.) Citation

Gustafson, Roy David, and Peter D. Frisk. Essential Mathematics with Geometry. Brooks/Cole, 1990.