APA Citation

Welchons, A. M., & Krickenberger, W. R. (1960). Trigonometry with tables. Boston: Ginn.

Chicago Style Citation

Welchons, A. M., and W. R. Krickenberger. Trigonometry With Tables. Boston: Ginn, 1960.

MLA Citation

Welchons, A. M., and W. R. Krickenberger. Trigonometry With Tables. Boston: Ginn, 1960.

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