Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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