APA način citiranja

Hofer, H., & Zehnder, E. (1994). Symplectic invariants and Hamiltonian dynamics. Birkh�user Verlag.

Čikaški stil citiranja

Hofer, Helmut, i Eduard Zehnder. Symplectic Invariants and Hamiltonian Dynamics. Basel ; Boston: Birkh�user Verlag, 1994.

MLA način citiranja

Hofer, Helmut, i Eduard Zehnder. Symplectic Invariants and Hamiltonian Dynamics. Birkh�user Verlag, 1994.