Style de citation APA

Schmitt, D. P. (1989). Effect of Soil pH on Nematicide Efficacy on Soybean. Journal of nematology, 21(4S), 615.

Style de citation Chicago

Schmitt, D P. "Effect of Soil PH on Nematicide Efficacy on Soybean." Journal of Nematology 21, no. 4S (1989): 615.

Style de citation MLA

Schmitt, D P. "Effect of Soil PH on Nematicide Efficacy on Soybean." Journal of Nematology, vol. 21, no. 4S, 1989, p. 615.