APA (7th ed.) Citation

Coelho, P. (1996). By the river Piedra I sat down and wept. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Coelho, Paulo. By the River Piedra I Sat Down and Wept. London: HarperCollins Publishers, 1996.

MLA (9th ed.) Citation

Coelho, Paulo. By the River Piedra I Sat Down and Wept. HarperCollins Publishers, 1996.