Factors influencing the yield of apples in the Cumberland-Shenandoah region of Pennsylvania, Virginia, and West Virginia /
by Carl R. Swinson ... [et al.].
APA Citation
Swinson, C. R. (Carl Robert). (1927). Factors influencing the yield of apples in the Cumberland-Shenandoah region of Pennsylvania, Virginia, and West Virginia. Washington: U.S. Dept. of Agriculture.
MLA Citation
Swinson, Carl R. (Carl Robert), 1891-. Factors Influencing the Yield of Apples In the Cumberland-Shenandoah Region of Pennsylvania, Virginia, And West Virginia. Washington: U.S. Dept. of Agriculture, 1927.
Warning: These citations may not always be complete (especially for serials).