APA Style

Snyder, W, N, C. (2012). Microeconomic Theory : Basic Principles and Extensions (7th ED). USA: South-Western, Cengage Learning.

MLA Style

Snyder, Walter, Nicholson,, Christopher. "Microeconomic Theory : Basic Principles and Extensions". 7th ED USA: South-Western, Cengage Learning, 2012. Electronic Resource.