Cita APA (7a ed.)

IMS Press. (1987). Gale directory of publications. Gale Research.

Cita Chicago Style (17a ed.)

IMS Press. Gale Directory of Publications. Detroit, Mich.: Gale Research, 1987.

Cita MLA (8a ed.)

IMS Press. Gale Directory of Publications. Gale Research, 1987.