APA (7th ed.) Citation

Gale Research Inc, Henderson, A. K., & Baker, L. W. (2001). Worldmark encyclopedia of the nations (10th ed.). Gale Research.

Chicago Style (17th ed.) Citation

Gale Research Inc, Andrea Kovacs Henderson, and Lawrence W. Baker. Worldmark Encyclopedia of the Nations. 10th ed. Detroit: Gale Research, 2001.

MLA (9th ed.) Citation

Gale Research Inc, et al. Worldmark Encyclopedia of the Nations. 10th ed. Gale Research, 2001.