APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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