Cita APA (7a ed.)

(1985). Nutrient requirements of sheep (6ª ed.). National Academy Press.

Cita Chicago Style (17a ed.)

Nutrient Requirements of Sheep. 6ª ed. Washington: National Academy Press, 1985.

Cita MLA (8a ed.)

Nutrient Requirements of Sheep. 6ª ed. National Academy Press, 1985.