APA Style

Timoshenko, S. et al (1974). Vibration Problems in Engineering Fourth Edition (Ed.4, cet.4). New York: John Wley & Sons, Inc.

MLA Style

Timoshenko, S.. et al. "Vibration Problems in Engineering Fourth Edition". Ed.4, cet.4 New York: John Wley & Sons, Inc, 1974. Text.