APA (7th ed.) Citation

Eastword Publications Development, Inc, Gale Research Inc, Baker, L. W., & Henderson, A. K. (1998). Worldmark encyclopedia of the nations (9th ed.). Gale Research.

Chicago Style (17th ed.) Citation

Eastword Publications Development, Inc, Gale Research Inc, Lawrence W. Baker, and Andrea Kovacs Henderson. Worldmark Encyclopedia of the Nations. 9th ed. Detroit: Gale Research, 1998.

MLA (9th ed.) Citation

Eastword Publications Development, Inc, et al. Worldmark Encyclopedia of the Nations. 9th ed. Gale Research, 1998.