Cita APA (7a ed.)

Rogers, E. M. (1968). Diffusion of innovations (6th printing.). Free Press [etc.].

Cita Chicago Style (17a ed.)

Rogers, Everett M. Diffusion of Innovations. 6th printing. New York [etc.]: Free Press [etc.], 1968.

Cita MLA (9a ed.)

Rogers, Everett M. Diffusion of Innovations. 6th printing. Free Press [etc.], 1968.