APA (7th ed.) Citation

Waltman, P. E. (1986). A second course in elementary differential equations. Acad. Pr.

Chicago Style (17th ed.) Citation

Waltman, Paul E. A Second Course in Elementary Differential Equations. Orlando u.a: Acad. Pr, 1986.

MLA (9th ed.) Citation

Waltman, Paul E. A Second Course in Elementary Differential Equations. Acad. Pr, 1986.

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