APA (7th ed.) Citation

Cress, F., Reuther, W., & Calavan, E. (1975, August). California's Citrus Variety Improvement Program. California Agriculture.

Chicago Style (17th ed.) Citation

Cress, F., W. Reuther, and E. Calavan. "California's Citrus Variety Improvement Program." California Agriculture Aug. 1975.

MLA (9th ed.) Citation

Cress, F., et al. "California's Citrus Variety Improvement Program." California Agriculture, Aug. 1975.