Cita APA (7a ed.)
Mamo, T., Haque, I., & Kamara, C. (1988). Phosphorus status of some Ethiopian highland Vertisols. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Mamo, T., I. Haque, y C.S Kamara. Phosphorus Status of Some Ethiopian Highland Vertisols. International Livestock Centre for Africa, 1988.
Cita MLA (9a ed.)
Mamo, T., et al. Phosphorus Status of Some Ethiopian Highland Vertisols. International Livestock Centre for Africa, 1988.
Precaución: Estas citas no son 100% exactas.