Cita APA (7a ed.)

Nickel, J. L. (1989). Research management for development: Open to a new agricultural research director (1st edition.). IICA.

Cita Chicago Style (17a ed.)

Nickel, John L. Research Management for Development: Open to a New Agricultural Research Director. 1st edition. San José: IICA, 1989.

Cita MLA (8a ed.)

Nickel, John L. Research Management for Development: Open to a New Agricultural Research Director. 1st edition. IICA, 1989.