APA (7th ed.) Citation

Aufmann, R. N., Barker, V. C., & Nation, R. (1990). College trigonometry / Richard N. Aufmann, Vernon C. Barker, Richard D. Nation, Jr. Houghton Mifflin Co.

Chicago Style (17th ed.) Citation

Aufmann, Richard N., Vernon C. Barker, and Richard Nation. College Trigonometry / Richard N. Aufmann, Vernon C. Barker, Richard D. Nation, Jr. Boston, MA: Houghton Mifflin Co, 1990.

MLA (9th ed.) Citation

Aufmann, Richard N., et al. College Trigonometry / Richard N. Aufmann, Vernon C. Barker, Richard D. Nation, Jr. Houghton Mifflin Co, 1990.

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