APA

Poulos H. G., Davis E. H., Poulos H. G. & Davis E. H. (1980). Pile foundation analysis and design. New York [u.a.]: Wiley.

Chicago

Poulos Harry G, Davis Edward H, Poulos H G and Davis E H. 1980. Pile foundation analysis and design. New York [u.a.]: Wiley.

Harvard

Poulos H. G., Davis E. H., Poulos H. G. and Davis E. H. (1980). Pile foundation analysis and design. New York [u.a.]: Wiley.

MLA

Poulos Harry G, Davis Edward H, Poulos H G and Davis E H. Pile foundation analysis and design. New York [u.a.]: Wiley. 1980.