MLA

Clark, Pamela Elizabeth, and Chuck Clark. Constant-scale Natural Boundary Mapping to Reveal Global and Cosmic Processes. Springer New York, 2013.

APA

Clark, P. Elizabeth, & Clark, C. (2013). Constant-Scale Natural Boundary Mapping to Reveal Global and Cosmic Processes. Springer New York.

Chicago

Clark, Pamela Elizabeth, and Chuck Clark. Constant-Scale Natural Boundary Mapping to Reveal Global and Cosmic Processes. : Springer New York, 2013.