APA (7th ed.) Citation

Scanlan, R. H., & Sachs, K. (1974). Earthquake time histories and response spectra. Proceedings of the American Society of Civil Engineers, 100, 635.

Chicago Style (17th ed.) Citation

Scanlan, R. H., and K. Sachs. "Earthquake Time Histories and Response Spectra." Proceedings of the American Society of Civil Engineers 100 (1974): 635.

MLA (9th ed.) Citation

Scanlan, R. H., and K. Sachs. "Earthquake Time Histories and Response Spectra." Proceedings of the American Society of Civil Engineers, vol. 100, 1974, p. 635.