APA (7th ed.) Citation

NELSON, A. L. (1956). Plane trigonometry - Alferd L. Nelson, Karl W. Folley. Harper & Brothers.

Chicago Style (17th ed.) Citation

NELSON, Alfrad L. Plane Trigonometry - Alferd L. Nelson, Karl W. Folley. Harper & Brothers, 1956.

MLA (8th ed.) Citation

NELSON, Alfrad L. Plane Trigonometry - Alferd L. Nelson, Karl W. Folley. Harper & Brothers, 1956.

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