APA (7th ed.) Citation

Clark, W. E. (1991). Firefighting principles & practices (2nd ed.). Fire Engineering Books & Videos.

Chicago Style (17th ed.) Citation

Clark, William E. Firefighting Principles & Practices. 2nd ed. Saddle Brook, N.J.: Fire Engineering Books & Videos, 1991.

MLA (8th ed.) Citation

Clark, William E. Firefighting Principles & Practices. 2nd ed. Fire Engineering Books & Videos, 1991.