APA Citation

Maccarthy, P. (1990). Humic Substances In Soil And Crop Sciences: Selected Readings.

Chicago Style Citation

Maccarthy, P.. Humic Substances In Soil And Crop Sciences: Selected Readings. 1990.

MLA Citation

Maccarthy, P.. Humic Substances In Soil And Crop Sciences: Selected Readings. 1990.

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