Cita APA (7a ed.)

National Geographic Society & Appleby, J. O. (2006). The American journey: To World War I. Glencoe/McGraw-Hill.

Cita Chicago Style (17a ed.)

National Geographic Society y Joyce Oldham Appleby. The American Journey: To World War I. New York [u.a.]: Glencoe/McGraw-Hill, 2006.

Cita MLA (9a ed.)

National Geographic Society y Joyce Oldham Appleby. The American Journey: To World War I. Glencoe/McGraw-Hill, 2006.