APA (7th ed.) Citation

Howell, F. J. (1911). Soil problems in wheat growing. George Robertson.

Chicago Style (17th ed.) Citation

Howell, F. J. Soil Problems in Wheat Growing. Melbourne: George Robertson, 1911.

MLA (8th ed.) Citation

Howell, F. J. Soil Problems in Wheat Growing. George Robertson, 1911.