Shafer, R. J., & Bennett, D. H. (1980). A guide to historical method (1980 3d ed.). Dorsey Press.
Citación estilo ChicagoShafer, Robert Jones, and David Harry Bennett. A Guide to Historical Method. 1980 3d ed. Homewood, Ill: Dorsey Press, 1980.
Cita MLAShafer, Robert Jones, and David Harry Bennett. A Guide to Historical Method. 1980 3d ed. Dorsey Press, 1980.
Warning: These citations may not always be 100% accurate.