Cita APA

Weller, S. C., & Romney, A. K. (1988). Systematic data collection. Sage Publications.

Citación estilo Chicago

Weller, Susan C., y A. Kimball Romney. Systematic Data Collection. London: Sage Publications, 1988.

Cita MLA

Weller, Susan C., y A. Kimball Romney. Systematic Data Collection. Sage Publications, 1988.