Cita APA

Leonard, J. N. 1., & Leonard, J. N. 1. (1967). Ancient America. New York: Time Incorporated.

Citación estilo Chicago

Leonard, Jonathan Norton 1903-1975, y Jonathan Norton 1903-1975 Leonard. Ancient America. New York: Time Incorporated, 1967.

Cita MLA

Leonard, Jonathan Norton 1903-1975, y Jonathan Norton 1903-1975 Leonard. Ancient America. New York: Time Incorporated, 1967.