APA (7th ed.) Citation

University of Maryland Cooperative Extension Service. (1970). Bulletin. Cooperative Extension Service, University of Maryland.

Chicago Style (17th ed.) Citation

University of Maryland Cooperative Extension Service. Bulletin. College Park, Md.: Cooperative Extension Service, University of Maryland, 1970.

MLA (9th ed.) Citation

University of Maryland Cooperative Extension Service. Bulletin. Cooperative Extension Service, University of Maryland, 1970.