APA Edition Citation

Langsam, W. C. (1963). World Since 1919. (7th ed.).

Chicago Edition Citation

Langsam, Walter Consuelo. World Since 1919. 7th ed. 1963.

MLA Edition Citation

Langsam, Walter Consuelo. World Since 1919. 7th ed. 1963.

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