APA (7th ed.) Citation

Nelson, A. (1946). Principles of agricultural botany. T. Nelson and sons ltd.

Chicago Style (17th ed.) Citation

Nelson, Alexander. Principles of Agricultural Botany. London ; New York [etc.]: T. Nelson and sons ltd, 1946.

MLA (8th ed.) Citation

Nelson, Alexander. Principles of Agricultural Botany. T. Nelson and sons ltd, 1946.