APA
Peck.O.K, Peck.R.B, . (1948). Proceedings of the second international conference on soil mechanics and foundation engineering. Rotterdam: Netherlands.
Chicago
Peck.O.K, Peck.R.B, . 1948. Proceedings of the second international conference on soil mechanics and foundation engineering. Rotterdam: Netherlands.
Harvard
Peck.O.K, Peck.R.B, . (1948). Proceedings of the second international conference on soil mechanics and foundation engineering. Rotterdam: Netherlands.
MLA
Peck.O.K, Peck.R.B, . Proceedings of the second international conference on soil mechanics and foundation engineering. Rotterdam: Netherlands. 1948.