APA (7th ed.) Citation

Sigurður Helgason. (1964). Differential geometry and symmetric spaces (2. print.). Academic Press.

Chicago Style (17th ed.) Citation

Sigurður Helgason. Differential Geometry and Symmetric Spaces. 2. print. New York [u.a.]: Academic Press, 1964.

MLA (9th ed.) Citation

Sigurður Helgason. Differential Geometry and Symmetric Spaces. 2. print. Academic Press, 1964.