APA

Mortenson G., Relin D. O., . (2006). Three cups of tea: one man's mission to promote peace... one school at a time. New York: Penguin Books.

Chicago

Mortenson Greg, Relin David Oliver, . 2006. Three cups of tea: one man's mission to promote peace... one school at a time. New York: Penguin Books.

Harvard

Mortenson G., Relin D. O., . (2006). Three cups of tea: one man's mission to promote peace... one school at a time. New York: Penguin Books.

MLA

Mortenson Greg, Relin David Oliver, . Three cups of tea: one man's mission to promote peace... one school at a time. New York: Penguin Books. 2006.