Cita APA (7th ed.)

Long, D. D., & Holle, M. C. (1997). Macro systems in the social environment. F.E. Peacock Publishers.

Cita Chicago (17th ed.)

Long, Dennis D., i Marla C. Holle. Macro Systems in the Social Environment. Itasca, Ill: F.E. Peacock Publishers, 1997.

Cita MLA (9th ed.)

Long, Dennis D., i Marla C. Holle. Macro Systems in the Social Environment. F.E. Peacock Publishers, 1997.