Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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