Cita APA (7a ed.)

Kaufman, I., & Channon, D. F. (1973). International consumerism: A threat or opportunity? [s.n.].

Cita Chicago Style (17a ed.)

Kaufman, Ira, y Derek F. Channon. International Consumerism: A Threat or Opportunity? [S.l.]: [s.n.], 1973.

Cita MLA (9a ed.)

Kaufman, Ira, y Derek F. Channon. International Consumerism: A Threat or Opportunity? [s.n.], 1973.