Cita APA (7a ed.)

Werner, O., Schoepfle, G. M., & Abbott, J. (1987). Systematic fieldwork. Sage.

Cita Chicago Style (17a ed.)

Werner, Oswald, G. Mark Schoepfle, y Judith Abbott. Systematic Fieldwork. Newbury Park [etc.]: Sage, 1987.

Cita MLA (9a ed.)

Werner, Oswald, et al. Systematic Fieldwork. Sage, 1987.