Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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