APA način citiranja

Johannson, K. (1979). Homotopy equivalences of 3-manifolds with boundaries.

Čikaški stil citiranja

Johannson, Klaus. Homotopy Equivalences of 3-manifolds with Boundaries. Springer-Verlag, Berlin, 1979.

MLA način citiranja

Johannson, Klaus. Homotopy Equivalences of 3-manifolds with Boundaries. 1979.