APA (7th ed.) Citation

Heineman, E. R. (1980). Plane trigonometry (5.ed.). MacGraw-Hill.

Chicago Style (17th ed.) Citation

Heineman, Ellis R. Plane Trigonometry. 5.ed. New York: MacGraw-Hill, 1980.

MLA (9th ed.) Citation

Heineman, Ellis R. Plane Trigonometry. 5.ed. MacGraw-Hill, 1980.