APA引文

Ryan, M. P. (1972). Hamiltonian cosmology. Springer-Verlag.

Chicago Edition Citation

Ryan, Michael P. Hamiltonian Cosmology. Berlin: Springer-Verlag, 1972.

MLA引文

Ryan, Michael P. Hamiltonian Cosmology. Springer-Verlag, 1972.

警告：这些引文格式不一定是100％准确.