Walden, D. J., Bender, F. E., & Harris, W. L. (1974). Maryland agriculture in a world of scarce energy. Cooperative Extension Service, University of Maryland.
Chicago Style (17th ed.) CitationWalden, D. J., Filmore E. Bender, and W. L. Harris. Maryland Agriculture in a World of Scarce Energy. College Park: Cooperative Extension Service, University of Maryland, 1974.
MLA (9th ed.) CitationWalden, D. J., et al. Maryland Agriculture in a World of Scarce Energy. Cooperative Extension Service, University of Maryland, 1974.
Warning: These citations may not always be 100% accurate.