APA Edition Citation

Bellman, R. (1966). Pertubation techniques in mathematics, engineering and physics. Dover.

Chicago Edition Citation

Bellman, Richard. Pertubation Techniques in Mathematics, Engineering and Physics. Dover, 1966.

MLA Edition Citation

Bellman, Richard. Pertubation Techniques in Mathematics, Engineering and Physics. Dover, 1966.

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