APA (7th ed.) Citation

Heineman, E. R. (1988). Plane trigonometry / E. Richard Heineman (6th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Heineman, Ellis Richard. Plane Trigonometry / E. Richard Heineman. 6th ed. New York: McGraw-Hill, 1988.

MLA (9th ed.) Citation

Heineman, Ellis Richard. Plane Trigonometry / E. Richard Heineman. 6th ed. McGraw-Hill, 1988.

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