APA (7th ed.) Citation

Wallenquist, A. (1975). Dark matter in open clusters. [Royal Society of Sciences ; distributors, Almqvist & Wiksell International].

Chicago Style (17th ed.) Citation

Wallenquist, Ake. Dark Matter in Open Clusters. Uppsala : Stockholm: [Royal Society of Sciences ; distributors, Almqvist & Wiksell International], 1975.

MLA (8th ed.) Citation

Wallenquist, Ake. Dark Matter in Open Clusters. [Royal Society of Sciences ; distributors, Almqvist & Wiksell International], 1975.