APA Edition Citation

Johnson, C. (1981). Physcological processes limiting plant productivity. Butterworths.

Chicago Edition Citation

Johnson, C.B. Physcological Processes Limiting Plant Productivity. London: Butterworths, 1981.

MLA Edition Citation

Johnson, C.B. Physcological Processes Limiting Plant Productivity. Butterworths, 1981.

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