APA (7th ed.) Citation

Crop Science Society of America. (1975). Registered field crop varieties, 1926-1974. The Society.

Chicago Style (17th ed.) Citation

Crop Science Society of America. Registered Field Crop Varieties, 1926-1974. Madison, Wis.: The Society, 1975.

MLA (9th ed.) Citation

Crop Science Society of America. Registered Field Crop Varieties, 1926-1974. The Society, 1975.

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