Cita APA (7a ed.)

Holloway, R. J., & Hancock, R. S. (1968). Marketing in a changing environment. John Wiley and Sons.

Cita Chicago Style (17a ed.)

Holloway, Robert J., y Robert S. Hancock. Marketing in a Changing Environment. New York: John Wiley and Sons, 1968.

Cita MLA (9a ed.)

Holloway, Robert J., y Robert S. Hancock. Marketing in a Changing Environment. John Wiley and Sons, 1968.