APA (7th ed.) Citation

Knovel (Firm), American Society of Plumbing Engineers, & Harris, C. M. (1998). Practical plumbing engineering. American Society of Plumbing Engineers.

Chicago Style (17th ed.) Citation

Knovel (Firm), American Society of Plumbing Engineers, and Cyril M. Harris. Practical Plumbing Engineering. Westlake Village, CA: American Society of Plumbing Engineers, 1998.

MLA (9th ed.) Citation

Knovel (Firm), et al. Practical Plumbing Engineering. American Society of Plumbing Engineers, 1998.