Fryer, J. D., Makepeace, R. J., & Evans, S. A. (1970). Weed control handbook (6. ed.). Blackwell Scientific Publ..
Chicago Style (17th ed.) CitationFryer, J. D., R. J. Makepeace, and S. A. Evans. Weed Control Handbook. 6. ed. Oxford: Blackwell Scientific Publ., 1970.
MLA (9th ed.) CitationFryer, J. D., et al. Weed Control Handbook. 6. ed. Blackwell Scientific Publ., 1970.