Citazione Stile APA (7a Edizione)

Hofer, H., & Zehnder, E. (2011). Symplectic invariants and Hamiltonian dynamics. Springer Basel.

Citazione stile Chigago Style (17a edizione)

Hofer, Helmut, e Eduard Zehnder. Symplectic Invariants and Hamiltonian Dynamics. Basel: Springer Basel, 2011.

Citatione MLA (9a ed.)

Hofer, Helmut, e Eduard Zehnder. Symplectic Invariants and Hamiltonian Dynamics. Springer Basel, 2011.