Cita APA (7a ed.)

Ng, N. Q., & Monti, L. M. (1990). Cowpea genetic resources: Contributions in cowpea exploration, evaluation and research from Italy and the International Institute of Tropical Agriculture. IITA.

Cita Chicago Style (17a ed.)

Ng, N. Q., y L. M. Monti. Cowpea Genetic Resources: Contributions in Cowpea Exploration, Evaluation and Research from Italy and the International Institute of Tropical Agriculture. Ibadan: IITA, 1990.

Cita MLA (8a ed.)

Ng, N. Q., y L. M. Monti. Cowpea Genetic Resources: Contributions in Cowpea Exploration, Evaluation and Research from Italy and the International Institute of Tropical Agriculture. IITA, 1990.