APA (7th ed.) Citation

Gill, K., & Tufts, S. E. (1987). Goverment research directory (4th ed.). Gale.

Chicago Style (17th ed.) Citation

Gill, Kay, and Susan E. Tufts. Goverment Research Directory. 4th ed. Detroit, Mich: Gale, 1987.

MLA (9th ed.) Citation

Gill, Kay, and Susan E. Tufts. Goverment Research Directory. 4th ed. Gale, 1987.