APA (7th ed.) Citation

Boyce, W. E., & DiPrima, R. C. (2009). Elementary differential equations (Ninth edition.). AUWSF.

Chicago Style (17th ed.) Citation

Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Hoboken: AUWSF, 2009.

MLA (9th ed.) Citation

Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations. Ninth edition. AUWSF, 2009.