Cita APA (7th ed.)

Greaves, R. L. (1990). Civilizations of the world: The human adventure. Harper & Row, Publishers.

Cita Chicago (17th ed.)

Greaves, Richard L. Civilizations of the World: The Human Adventure. New York: Harper & Row, Publishers, 1990.

Cita MLA (9th ed.)

Greaves, Richard L. Civilizations of the World: The Human Adventure. Harper & Row, Publishers, 1990.