APA (7th ed.) Citation

Kreider, D. L., Kuller, R. G., & Ostberg, D. R. (1968). Elementary differential equations. Addison-Wesley.

Chicago Style (17th ed.) Citation

Kreider, Donald L., Robert Garlin Kuller, and Donald R. Ostberg. Elementary Differential Equations. Reading: Addison-Wesley, 1968.

MLA (9th ed.) Citation

Kreider, Donald L., et al. Elementary Differential Equations. Addison-Wesley, 1968.