Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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