APA (7th ed.) Citation

Hemming, J. (1981). Machu Picchu. Readers Digest Association.

Chicago Style (17th ed.) Citation

Hemming, John. Machu Picchu. London: Readers Digest Association, 1981.

MLA (9th ed.) Citation

Hemming, John. Machu Picchu. Readers Digest Association, 1981.

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