APA (7th ed.) Citation

Skudrzyk, E. J. (1968). Simple and complex vibratory systems. Pennsylvania State University Press.

Chicago Style (17th ed.) Citation

Skudrzyk, Eugen J. Simple and Complex Vibratory Systems. University Park: Pennsylvania State University Press, 1968.

MLA (8th ed.) Citation

Skudrzyk, Eugen J. Simple and Complex Vibratory Systems. Pennsylvania State University Press, 1968.