APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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