APA (7th ed.) Citation

National Agricultural Library (U.S.), Blanchard, J. R., & Farrell, L. (1981). Guide to sources for agricultural and biological research. University of California Press.

Chicago Style (17th ed.) Citation

National Agricultural Library (U.S.), J. Richard Blanchard, and Lois Farrell. Guide to Sources for Agricultural and Biological Research. Berkeley: University of California Press, 1981.

MLA (9th ed.) Citation

National Agricultural Library (U.S.), et al. Guide to Sources for Agricultural and Biological Research. University of California Press, 1981.