Couch, H. N., Couch, H. N., & Geer, R. M. (1951). Classical civilization (2nd. ed.). Prentice- hall.

Couch, Herbert Newell, H. N. Couch, and Russel M. Geer. Classical Civilization. 2nd. ed. New Jersey: Prentice- hall, 1951.

Couch, Herbert Newell, et al. Classical Civilization. 2nd. ed. Prentice- hall, 1951.