APA (7th ed.) Citation

Dupree, D. E., & Harmon, F. L. (1968). College algebra and trigonometry. Prentice-Hall.

Chicago Style (17th ed.) Citation

Dupree, Daniel E., and Frank L. Harmon. College Algebra and Trigonometry. Prentice-Hall, 1968.

MLA (8th ed.) Citation

Dupree, Daniel E., and Frank L. Harmon. College Algebra and Trigonometry. Prentice-Hall, 1968.

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