APA (7th ed.) Citation

World Conference on Prestressed Concrete San Francisco. (1957). Proceedings. [publisher not identified].

Chicago Style (17th ed.) Citation

World Conference on Prestressed Concrete San Francisco. Proceedings. San Francisco: [publisher not identified], 1957.

MLA (9th ed.) Citation

World Conference on Prestressed Concrete San Francisco. Proceedings. [publisher not identified], 1957.

Warning: These citations may not always be 100% accurate.