APA (7th ed.) Citation

United States. Department of Agriculture. Office of the Secretary & Stevens, N. E. (1931). Field observations on strawberry dwarf. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Office of the Secretary and Neil E. Stevens. Field Observations on Strawberry Dwarf. Washington: U.S. GPO, 1931.

MLA (9th ed.) Citation

United States. Department of Agriculture. Office of the Secretary and Neil E. Stevens. Field Observations on Strawberry Dwarf. U.S. GPO, 1931.