APA (7th ed.) Citation

Gale Group, Pendergast, S., & Pendergast, T. (2002). Worldmark encyclopedia of national economies. Gale Group/Thomson Learning.

Chicago Style (17th ed.) Citation

Gale Group, Sara Pendergast, and Tom Pendergast. Worldmark Encyclopedia of National Economies. Farmington Hills, Mi: Gale Group/Thomson Learning, 2002.

MLA (9th ed.) Citation

Gale Group, et al. Worldmark Encyclopedia of National Economies. Gale Group/Thomson Learning, 2002.