Citação norma APA

Hansen, T. F., Stenseth, N. C., Henttonen, H., & Tast, J. (1999). Interspecific and intraspecific competition as causes of direct and delayed density dependence in a fluctuating vole population. The National Academy of Sciences.

Citação norma Chicago

Hansen, Thomas F., Nils C. Stenseth, Heikki Henttonen, and Johan Tast. Interspecific and Intraspecific Competition As Causes of Direct and Delayed Density Dependence in a Fluctuating Vole Population. The National Academy of Sciences, 1999.

Citação norma MLA

Hansen, Thomas F., Nils C. Stenseth, Heikki Henttonen, and Johan Tast. Interspecific and Intraspecific Competition As Causes of Direct and Delayed Density Dependence in a Fluctuating Vole Population. The National Academy of Sciences, 1999.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.