APA (7th ed.) Citation

Nayfeh, A. H. (2011). The method of normal forms (2., updated and enl. ed.). Wiley-VCH.

Chicago Style (17th ed.) Citation

Nayfeh, Ali Hasan. The Method of Normal Forms. 2., updated and enl. ed. Weinheim: Wiley-VCH, 2011.

MLA (9th ed.) Citation

Nayfeh, Ali Hasan. The Method of Normal Forms. 2., updated and enl. ed. Wiley-VCH, 2011.