APA (7th ed.) Citation

Heineman, E. R., & Zetina, G. (1983). Trigonometría plana. McGraw-Hill Interamericana.

Chicago Style (17th ed.) Citation

Heineman, E. Richard, and Griselda Zetina. Trigonometría Plana. México: McGraw-Hill Interamericana, 1983.

MLA (9th ed.) Citation

Heineman, E. Richard, and Griselda Zetina. Trigonometría Plana. McGraw-Hill Interamericana, 1983.