APA استشهاد

Struik, D. J. (1950). Lectures on classical differential geometry. Addison-Wesley Press.

استشهاد بنمط شيكاغو

Struik, Dirk Jan. Lectures on Classical Differential Geometry. Cambridge, Mass.: Addison-Wesley Press, 1950.

MLA استشهاد

Struik, Dirk Jan. Lectures on Classical Differential Geometry. Addison-Wesley Press, 1950.