APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Werner, Oswald, G. Mark Schoepfle, and Julie Ahern. Systematic Fieldwork. Newbury Park [etc.]: Sage, 1987.

MLA (9th ed.) Citation

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