Soil and applied sulfur /
E.E. Schulte and K.A. Kelling.

APA Citation

Schulte, E. E., Kelling, K. Arnold. (1992). Soil and applied sulfur. [Madison, Wis.]: University of Wisconsin--Extension.

MLA Citation

Schulte, E. E, and Keith Arnold Kelling. Soil And Applied Sulfur. [Madison, Wis.]: University of Wisconsin--Extension, 1992.

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