APA Citation

Allen, A. H., & Allen, A. H. (1978). An introduction to prestressed concrete. London, Sydney: Cement and Concrete Association.

Chicago Style Citation

Allen, A. H., and A. H. Allen. An Introduction to Prestressed Concrete. London, Sydney: Cement and Concrete Association, 1978.

MLA Citation

Allen, A. H., and A. H. Allen. An Introduction to Prestressed Concrete. London, Sydney: Cement and Concrete Association, 1978.

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