Cita APA (7a ed.)

(1989). The standard periodical directory (12th ed. 1989.). Oxbridge Communications.

Cita Chicago Style (17a ed.)

The Standard Periodical Directory. 12th ed. 1989. New York: Oxbridge Communications, 1989.

Cita MLA (9a ed.)

The Standard Periodical Directory. 12th ed. 1989. Oxbridge Communications, 1989.