Cita APA (7a ed.)

Grossbart, S., Muehling, D. D., & Kangun, N. (1986). Verbal and visual references to competition in comparative advertising. [s.n.].

Cita Chicago Style (17a ed.)

Grossbart, Sanford, Darrel D. Muehling, y Norman Kangun. Verbal and Visual References to Competition in Comparative Advertising. [S.l.]: [s.n.], 1986.

Cita MLA (9a ed.)

Grossbart, Sanford, et al. Verbal and Visual References to Competition in Comparative Advertising. [s.n.], 1986.