APA (7th ed.) Citation

Velasco, J., & Novero, R. (1951). Studies in foliar diagnosis: I. Nitrogen relations. College of Agriculture, University of the Philippines.

Chicago Style (17th ed.) Citation

Velasco, J.R, and R.P Novero. Studies in Foliar Diagnosis: I. Nitrogen Relations. [Los Banos: College of Agriculture, University of the Philippines, 1951.

MLA (9th ed.) Citation

Velasco, J.R, and R.P Novero. Studies in Foliar Diagnosis: I. Nitrogen Relations. College of Agriculture, University of the Philippines, 1951.