PubAg

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MLA

Richards, J.E, T.E Bates, and S.C Sheppard. "Studies On the Potassium-supplying Capacities of Southern Ontario Soils. I. Field and Greenhouse Experiments." Canadian journal of soil science, v. 68,.2 pp. 183-197. doi: 10.4141/cjss88-019

APA

Richards, J., Bates, T., & Sheppard, S. (1988). Studies on the potassium-supplying capacities of southern Ontario soils. I. Field and greenhouse experiments. Canadian journal of soil science, 68, 183-197. doi: 10.4141/cjss88-019

Chicago

Richards, J.E., T.E Bates, and S.C Sheppard. "Studies on the potassium-supplying capacities of southern Ontario soils. I. Field and greenhouse experiments" Canadian journal of soil science 68, no. 2 (1988): 183-197. doi: 10.4141/cjss88-019