Cita APA (7a ed.)

Purvis, R. L. (1994). Underwater bridge maintenance and repair. National Academy Press.

Cita Chicago Style (17a ed.)

Purvis, Ronald L. Underwater Bridge Maintenance and Repair. Washington, D.C: National Academy Press, 1994.

Cita MLA (9a ed.)

Purvis, Ronald L. Underwater Bridge Maintenance and Repair. National Academy Press, 1994.