APA (7th ed.) Citation

Ravinger, J., & Kleiman, P. Natural vibration of imperfect columns and frames.

Chicago Style (17th ed.) Citation

Ravinger, Ján, and Peter Kleiman. Natural Vibration of Imperfect Columns and Frames.

MLA (9th ed.) Citation

Ravinger, Ján, and Peter Kleiman. Natural Vibration of Imperfect Columns and Frames.

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