Cita APA

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

Citación estilo Chicago

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

Cita MLA

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