APA-referens

Barry O Hughes, Jay A Mench, & Michael C Appleby. (2004). Poultry behaviour and welfare. CABI.

Chicago-stil citat

Barry O Hughes, Jay A Mench, och Michael C Appleby. Poultry Behaviour and Welfare. CABI, 2004.

MLA-referens

Barry O Hughes, et al. Poultry Behaviour and Welfare. CABI, 2004.