Cita APA

Kelley, R. L. (1990). The shaping of the American past (Fifth edition.). Prentice Hall.

Citación estilo Chicago

Kelley, Robert Lloyd. The Shaping of the American Past. Fifth edition. Englewood Cliffs, New Jersey: Prentice Hall, 1990.

Cita MLA

Kelley, Robert Lloyd. The Shaping of the American Past. Fifth edition. Prentice Hall, 1990.

Warning: These citations may not always be 100% accurate.