APA (7th ed.) Citation

Radwan, M. A., Crouch, G. L., & Ward, H. S. (1971). Nursery fertilization of douglas - fir seedlings with different forms of nitrogen. Portland, Oregon. Departament of Agriculture.

Chicago Style (17th ed.) Citation

Radwan, M. A., G. L. Crouch, and H. S. Ward. Nursery Fertilization of Douglas - Fir Seedlings with Different Forms of Nitrogen. Portland, Oregon. Departament of Agriculture, 1971.

MLA (8th ed.) Citation

Radwan, M. A., et al. Nursery Fertilization of Douglas - Fir Seedlings with Different Forms of Nitrogen. Portland, Oregon. Departament of Agriculture, 1971.

IICA/CATIE Citation

Radwan, M. A., Crouch, G. L., ; Ward, H. S. 1971. Nursery fertilization of douglas - fir seedlings with different forms of nitrogen. Portland, Oregon. Departament of Agriculture.