Cita APA (7a ed.)

Horton, D. E. (1987). Potatoes. Production, marketing, and programs for developing countries (1st edition.). IT.

Cita Chicago Style (17a ed.)

Horton, Douglas E. Potatoes. Production, Marketing, and Programs for Developing Countries. 1st edition. London: IT, 1987.

Cita MLA (8a ed.)

Horton, Douglas E. Potatoes. Production, Marketing, and Programs for Developing Countries. 1st edition. IT, 1987.