APA (7th ed.) Citation

Nayfeh, A. H. Introduction to perturbation techniques. John Wiley and Son.

Chicago Style (17th ed.) Citation

Nayfeh, Ali Hasan. Introduction to Perturbation Techniques. John Wiley and Son.

MLA (8th ed.) Citation

Nayfeh, Ali Hasan. Introduction to Perturbation Techniques. John Wiley and Son.

Warning: These citations may not always be 100% accurate.