APA (7th ed.) Citation

Schröder van Rooyen, G. W. (1972). Ideal subgroups of abelian groups. o.V.

Chicago Style (17th ed.) Citation

Schröder van Rooyen, Gottlieb W. Ideal Subgroups of Abelian Groups. Delft: o.V, 1972.

MLA (9th ed.) Citation

Schröder van Rooyen, Gottlieb W. Ideal Subgroups of Abelian Groups. o.V, 1972.