Cita APA (7a ed.)

NAYFEH, A. H. (1973). Perturbation methods.: Ali Hasan NAYFEH. John wiley.

Cita Chicago Style (17a ed.)

NAYFEH, Ali Hasan. Perturbation Methods.: Ali Hasan NAYFEH. New York: John wiley, 1973.

Cita MLA (9a ed.)

NAYFEH, Ali Hasan. Perturbation Methods.: Ali Hasan NAYFEH. John wiley, 1973.