Cita APA (7th ed.)
Peck, R. B., Hanson, W. E., & Thornburn, T. H. (1974). Foundation engineering (2d ed.). Wiley.
Cita Chicago (17th ed.)
Peck, Ralph B., Walter Edmund Hanson, i Thomas H. Thornburn. Foundation Engineering. 2d ed. New York: Wiley, 1974.
Cita MLA (9th ed.)
Peck, Ralph B., et al. Foundation Engineering. 2d ed. Wiley, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.