APA (7th ed.) Citation

United States. Bureau of Plant Industry & Mulford, F. L. (1928). House plants. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry and Furman Lloyd Mulford. House Plants. Washington: [publisher not identified], 1928.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry and Furman Lloyd Mulford. House Plants. [publisher not identified], 1928.