Cita APA (7a ed.)

Frey, D. G., & Wright, H. E. (1965). The Quaternary of the U.S. Princeton University Press.

Cita Chicago Style (17a ed.)

Frey, David G., y H. E. Wright. The Quaternary of the U.S. Princeton, New Jersey: Princeton University Press, 1965.

Cita MLA (8a ed.)

Frey, David G., y H. E. Wright. The Quaternary of the U.S. Princeton University Press, 1965.