APA引文

Klingenberg, W. (1978). Lectures on closed geodesics. Springer-Verlag.

Chicago Style (17th ed.) Citation

Klingenberg, Wilhelm. Lectures on Closed Geodesics. Berlin: Springer-Verlag, 1978.

MLA引文

Klingenberg, Wilhelm. Lectures on Closed Geodesics. Springer-Verlag, 1978.