APA Edition Citation

Black, C. A. (1968). Soil plant relationships (2.). John Wiley & Sons INC.

Chicago Edition Citation

Black, C A. Soil Plant Relationships. 2. NewYork: John Wiley & Sons INC, 1968.

MLA Edition Citation

Black, C A. Soil Plant Relationships. 2. John Wiley & Sons INC, 1968.

Warning: These citations may not always be 100% accurate.