Cita APA (7a ed.)

Natkiel, R., Keegan, J., Sommerville, D., & Westwood, J. N. (1982). Atlas of 20th century history. Hamlyn-Bison.

Cita Chicago Style (17a ed.)

Natkiel, Richard, John Keegan, Donald Sommerville, y J. N. Westwood. Atlas of 20th Century History. London: Hamlyn-Bison, 1982.

Cita MLA (9a ed.)

Natkiel, Richard, et al. Atlas of 20th Century History. Hamlyn-Bison, 1982.