APA

(1998). Atlas of America. Our nation in Mars, Facts, and Pictures. New York: The Reader's Digest Association, Inc.

Chicago

1998. Atlas of America. Our nation in Mars, Facts, and Pictures. New York: The Reader's Digest Association, Inc.

Harvard

(1998). Atlas of America. Our nation in Mars, Facts, and Pictures. New York: The Reader's Digest Association, Inc.

MLA

Atlas of America. Our nation in Mars, Facts, and Pictures. New York: The Reader's Digest Association, Inc. 1998.