Cita APA (7a ed.)

ebrary, Inc, & Vaz, S. G. (2012). Environment: Why read the classics. Greenleaf Pub..

Cita Chicago Style (17a ed.)

ebrary, Inc, y Sofia Guedes Vaz. Environment: Why Read the Classics. Sheffield, South Yorkshire, England: Greenleaf Pub., 2012.

Cita MLA (9a ed.)

ebrary, Inc, y Sofia Guedes Vaz. Environment: Why Read the Classics. Greenleaf Pub., 2012.