APA

State University. Agricultural Experiment Station, O., Frazier, W., Baggett, J., Mack, H., Vaughan, E., Varseveld, G., Bullock, 1., Vittum, M., & Duncan, A. (1964). Oregon vegetable digest ; Vol. 13 No. 4. : Corvallis, Or. : Agricultural Experiment Station, Oregon State University.