APA (7th ed.) Citation

Curtiss, D. R., & Moulton, E. J. (1944). Plane trigonometry: A self-teaching course based on essentials of trigonometry, with applications. Heath.

Chicago Style (17th ed.) Citation

Curtiss, David Raymond, and Elton J. Moulton. Plane Trigonometry: A Self-teaching Course Based on Essentials of Trigonometry, with Applications. New York [u.a.]: Heath, 1944.

MLA (9th ed.) Citation

Curtiss, David Raymond, and Elton J. Moulton. Plane Trigonometry: A Self-teaching Course Based on Essentials of Trigonometry, with Applications. Heath, 1944.