People, Problems, and Proofs

MLA

Lipton, Richard J, Lipton, and Kenneth W Regan. People, Problems, and Proofs. Springer Berlin Heidelberg, 2013.

APA

Lipton, R. J, Lipton, L., & Regan, K. W. (2013). People, Problems, and Proofs. Springer Berlin Heidelberg.

Chicago

Lipton, Richard J., Lipton, and Kenneth W Regan. People, Problems, and Proofs. : Springer Berlin Heidelberg, 2013.