APA (7th ed.) Citation

Zappi, P. A., & Hayes, D. F. (1991). Innovative technologies for dredging contaminated sediments. [publisher not identified].

Chicago Style (17th ed.) Citation

Zappi, Paul A., and Donald F. Hayes. Innovative Technologies for Dredging Contaminated Sediments. [Place of publication not identified]: [publisher not identified], 1991.

MLA (9th ed.) Citation

Zappi, Paul A., and Donald F. Hayes. Innovative Technologies for Dredging Contaminated Sediments. [publisher not identified], 1991.