Systematic fieldwork
MLA
Werner, Oswald., G. Mark. Schoepfle and Julie. Ahern. Systematic fieldwork. Newbury Park, Calif. : Sage Publications, [1987]
APA
Werner, O., Schoepfle, G. & Ahern, J. (1987). Systematic fieldwork. Newbury Park, Calif. : Sage Publications.
Chicago
Werner, Oswald., G. Mark. Schoepfle and Julie. Ahern. Systematic fieldwork. Newbury Park, Calif. : Sage Publications, [1987]