Citazione Stile APA (7a Edizione)

Amy Lynn Emrich. (1985). Scientific and technical organizations and agencies directory (3rd ed.). Gale Research Co.

Citazione stile Chigago Style (17a edizione)

Amy Lynn Emrich. Scientific and Technical Organizations and Agencies Directory. 3rd ed. Detroit, Mich: Gale Research Co, 1985.

Citatione MLA (9a ed.)

Amy Lynn Emrich. Scientific and Technical Organizations and Agencies Directory. 3rd ed. Gale Research Co, 1985.