Cita APA (7a ed.)

MacDowell, S., Giambiagi, M., & de Giambiagi, M. Perturbation expansion for bond orders and the commutator [H, S].

Cita Chicago Style (17a ed.)

MacDowell, S.W, M. Giambiagi, y M.S de Giambiagi. Perturbation Expansion for Bond Orders and the Commutator [H, S].

Cita MLA (8a ed.)

MacDowell, S.W, et al. Perturbation Expansion for Bond Orders and the Commutator [H, S].