Description of and key to American potato varieties /
C.F. Clark and P.M. Lombard.

APA Citation

Clark, C. F. (Charles Frederick)., Lombard, P. M. (1946). Description of and key to American potato varieties. Washington, D.C.: U.S. Dept. of Agriculture.

MLA Citation

Clark, C. F. (Charles Frederick), 1873-, and P. M Lombard. Description of And Key to American Potato Varieties. Washington, D.C.: U.S. Dept. of Agriculture, 1946.

Warning: These citations may not always be complete (especially for serials).