Cita APA (7a ed.)

Ewell, P. (1990). Farmer management of potato insect pest in Perú (1st edition.). CIP.

Cita Chicago Style (17a ed.)

Ewell, Peter. Farmer Management of Potato Insect Pest in Perú. 1st edition. Lima: CIP, 1990.

Cita MLA (8a ed.)

Ewell, Peter. Farmer Management of Potato Insect Pest in Perú. 1st edition. CIP, 1990.