Cita APA (7a ed.)

Kristiansson, H. (1984). Ecology of a hedgehog Erinaceus europaeus population in southern Sweden. [s.n.].

Cita Chicago Style (17a ed.)

Kristiansson, Hans. Ecology of a Hedgehog Erinaceus Europaeus Population in Southern Sweden. [S.l.] : Lund: [s.n.], 1984.

Cita MLA (8a ed.)

Kristiansson, Hans. Ecology of a Hedgehog Erinaceus Europaeus Population in Southern Sweden. [s.n.], 1984.