Cita APA (7th ed.)
Rogers, E. M., & Shoemaker, F. F. (1971). Communication of innovations: A cross-cultural approach (2d ed.). Free Press.
Cita Chicago (17th ed.)
Rogers, Everett M., i F. Floyd Shoemaker. Communication of Innovations: A Cross-cultural Approach. 2d ed. New York: Free Press, 1971.
Cita MLA (9th ed.)
Rogers, Everett M., i F. Floyd Shoemaker. Communication of Innovations: A Cross-cultural Approach. 2d ed. Free Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.