United States. Bureau of Agricultural Economics. (1931). Marketing California pears (season 1930). San Francisco.
Chicago Style (17th ed.) CitationUnited States. Bureau of Agricultural Economics. Marketing California Pears (season 1930). [Washington]: San Francisco, 1931.
MLA (9th ed.) CitationUnited States. Bureau of Agricultural Economics. Marketing California Pears (season 1930). San Francisco, 1931.
Warning: These citations may not always be 100% accurate.