APA (7th ed.) Citation

Hillman, A. P., & Alexanderson, G. L. (1971). Functional trigonometry. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Hillman, Abraham P., and Gerald L. Alexanderson. Functional Trigonometry. Boston: Allyn and Bacon, 1971.

MLA (9th ed.) Citation

Hillman, Abraham P., and Gerald L. Alexanderson. Functional Trigonometry. Allyn and Bacon, 1971.

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