APA (7th ed.) Citation

Natkiel, R. (1982). Atlas of the 20th century. Facts on File.

Chicago Style (17th ed.) Citation

Natkiel, Richard. Atlas of the 20th Century. Facts on File, 1982.

MLA (9th ed.) Citation

Natkiel, Richard. Atlas of the 20th Century. Facts on File, 1982.

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