APA (7th ed.) Citation

Nixon, R. W. (1959). Growing dates in the United States. U.S. Department of Agriculture.

Chicago Style (17th ed.) Citation

Nixon, Roy W. Growing Dates in the United States. Washington: U.S. Department of Agriculture, 1959.

MLA (9th ed.) Citation

Nixon, Roy W. Growing Dates in the United States. U.S. Department of Agriculture, 1959.

Warning: These citations may not always be 100% accurate.