APA

State University. Agricultural Experiment Station, O., Mack, H., Frazier, W., Ritcher, P., Crowell, H., Baggett, J., Duncan, A., Sistrunk, W., & Rodgers, J. (1960). Oregon vegetable digest ; Vol. 9 No. 4. : Corvallis, Or. : Agricultural Experiment Station, Oregon State University.