Cita APA (7a ed.)

Sorvali, T. (1972). The boundary mapping induced by an isomorphism of covering groups. Suomalainen Tiedeakatemia.

Cita Chicago Style (17a ed.)

Sorvali, Tuomas. The Boundary Mapping Induced by an Isomorphism of Covering Groups. Helsinki: Suomalainen Tiedeakatemia, 1972.

Cita MLA (8a ed.)

Sorvali, Tuomas. The Boundary Mapping Induced by an Isomorphism of Covering Groups. Suomalainen Tiedeakatemia, 1972.