Cita APA (7a ed.)

Paz, O. (1985). One earth, four or five worlds: Reflections on contemporary history. Harcourt Brace Jovanovich.

Cita Chicago Style (17a ed.)

Paz, Octavio. One Earth, Four or Five Worlds: Reflections on Contemporary History. San Diego: Harcourt Brace Jovanovich, 1985.

Cita MLA (9a ed.)

Paz, Octavio. One Earth, Four or Five Worlds: Reflections on Contemporary History. Harcourt Brace Jovanovich, 1985.