APA Edition Citation

Barr, D. R., & Zehna, P. W. (1971). Probability.

Chicago Edition Citation

Barr, Donald R., and Peter W. Zehna. Probability. 1971.

MLA Edition Citation

Barr, Donald R., and Peter W. Zehna. Probability. 1971.

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