APA Style

Marshak, Stephen. (2012). Earth : Portrait of a Planet (Fourth Edition). USA: W.W. Norton & Company.

Chicago Style

Marshak, Stephen. Earth : Portrait of a Planet. Fourth Edition USA: W.W. Norton & Company, 2012. Text.

MLA Style

Marshak, Stephen. Earth : Portrait of a Planet. Fourth Edition USA: W.W. Norton & Company, 2012. Text.

Turabian Style

Marshak, Stephen. Earth : Portrait of a Planet. Fourth Edition USA: W.W. Norton & Company, 2012. Print.