APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Natkiel, Richard, Donald Somerville, and J. N. Westwood. Atlas of 20th Century History. London: Hamlyn-Bison, 1982.

MLA (9th ed.) Citation

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