Cita APA (7a ed.)
Åkerholm, A. (2011). Do prey-animals in zoos need predators? SLU/Dept. of Animal Environment and Health (until 231231).
Cita Chicago Style (17a ed.)
Åkerholm, Alexandra. Do Prey-animals in Zoos Need Predators? SLU/Dept. of Animal Environment and Health (until 231231), 2011.
Cita MLA (9a ed.)
Åkerholm, Alexandra. Do Prey-animals in Zoos Need Predators? SLU/Dept. of Animal Environment and Health (until 231231), 2011.
Precaución: Estas citas no son 100% exactas.