Cita APA

Mortenson, G., & Relin, D. O. (2006). Three cups of tea. Penguin Books.

Chicago Edition Citation

Mortenson, Greg, i David Oliver Relin. Three Cups of Tea. London: Penguin Books, 2006.

Cita MLA

Mortenson, Greg, i David Oliver Relin. Three Cups of Tea. Penguin Books, 2006.