Cita APA (7a ed.)

Johnson, J., & Percy, W. A. (1970). The age of recovery: The fifteenth century. Cornell University Press.

Cita Chicago Style (17a ed.)

Johnson, Jerah, y William A. Percy. The Age of Recovery: The Fifteenth Century. Ithaca, New York: Cornell University Press, 1970.

Cita MLA (9a ed.)

Johnson, Jerah, y William A. Percy. The Age of Recovery: The Fifteenth Century. Cornell University Press, 1970.