Cita APA

Smith, P., & Crabtree, H. (2005). Pig environment problems. United Kingdom: Nottingham University Press.

Citación estilo Chicago

Smith, Paul,, y Hugh Crabtree. Pig Environment Problems. United Kingdom: Nottingham University Press, 2005.

Cita MLA

Smith, Paul,, y Hugh Crabtree. Pig Environment Problems. United Kingdom: Nottingham University Press, 2005.

Precaución: Estas citas no son 100% exactas.