APA (7th ed.) Citation

Phillips, H. B. (1951). Differential equations (3d ed., rev.). Wiley.

Chicago Style (17th ed.) Citation

Phillips, H. B. Differential Equations. 3d ed., rev. New York: Wiley, 1951.

MLA (9th ed.) Citation

Phillips, H. B. Differential Equations. 3d ed., rev. Wiley, 1951.