APA (7th ed.) Citation

(1977). The Reader?s digest great world atlas (3rd ed.). The Reader's Digest Association.

Chicago Style (17th ed.) Citation

The Reader?s Digest Great World Atlas. 3rd ed. London: The Reader's Digest Association, 1977.

MLA (9th ed.) Citation

The Reader?s Digest Great World Atlas. 3rd ed. The Reader's Digest Association, 1977.

Warning: These citations may not always be 100% accurate.