APA (7th ed.) Citation

Johnson, G. R., & Epstein, H. I. (1977). Backfill effects on circular foundation stiffnesses. Proceedings of the American Society of Civil Engineers, 103, 899.

Chicago Style (17th ed.) Citation

Johnson, G. R., and H. I. Epstein. "Backfill Effects on Circular Foundation Stiffnesses." Proceedings of the American Society of Civil Engineers 103 (1977): 899.

MLA (9th ed.) Citation

Johnson, G. R., and H. I. Epstein. "Backfill Effects on Circular Foundation Stiffnesses." Proceedings of the American Society of Civil Engineers, vol. 103, 1977, p. 899.