APA (7th ed.) Citation

United States. Bureau of Soils. (1911). Beneficial organic constituent of soils, creatinine: Introduction, Importance of beneficial soil constituents; I. Isolation of creatinine from soils; II. Origin of creatinine in soils; III. Effects of creatinine on growth and absorption. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Soils. Beneficial Organic Constituent of Soils, Creatinine: Introduction, Importance of Beneficial Soil Constituents; I. Isolation of Creatinine from Soils; II. Origin of Creatinine in Soils; III. Effects of Creatinine on Growth and Absorption. [Washington]: GPO, 1911.

MLA (9th ed.) Citation

United States. Bureau of Soils. Beneficial Organic Constituent of Soils, Creatinine: Introduction, Importance of Beneficial Soil Constituents; I. Isolation of Creatinine from Soils; II. Origin of Creatinine in Soils; III. Effects of Creatinine on Growth and Absorption. GPO, 1911.