APA (7th ed.) Citation

Melko, M., & Scott, L. R. (1987). The Boundaries of civilizations in space and time. University Press of America.

Chicago Style (17th ed.) Citation

Melko, Matthew, and Leighton R. Scott. The Boundaries of Civilizations in Space and Time. Lanham, MD: University Press of America, 1987.

MLA (9th ed.) Citation

Melko, Matthew, and Leighton R. Scott. The Boundaries of Civilizations in Space and Time. University Press of America, 1987.