APA (7th ed.) Citation

Bellman, R., & Cooke, K. L. (1971). Modern elementary differential equations (2. ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Bellman, Richard, and Kenneth L. Cooke. Modern Elementary Differential Equations. 2. ed. Reading, Mass. [u.a.]: Addison-Wesley, 1971.

MLA (9th ed.) Citation

Bellman, Richard, and Kenneth L. Cooke. Modern Elementary Differential Equations. 2. ed. Addison-Wesley, 1971.