APA (7th ed.) Citation

Pearson, H. R. (1974). Trigonometry and related topics. Ginn.

Chicago Style (17th ed.) Citation

Pearson, Helen R. Trigonometry and Related Topics. Lexington, Mass.: Ginn, 1974.

MLA (9th ed.) Citation

Pearson, Helen R. Trigonometry and Related Topics. Ginn, 1974.