Cita APA (7a ed.)

Nwachukwu, J. (2018). Organic Matter: The Source of Our Wealth. Obafemi Awolowo University Press Limited.

Cita Chicago Style (17a ed.)

Nwachukwu, J.I. Organic Matter: The Source of Our Wealth. Obafemi Awolowo University Press Limited, 2018.

Cita MLA (9a ed.)

Nwachukwu, J.I. Organic Matter: The Source of Our Wealth. Obafemi Awolowo University Press Limited, 2018.