APA (7th ed.) Citation

Clifford, E. A. (1973). A practical guide to LP-gas utilization (5th ed.). Harcourt.

Chicago Style (17th ed.) Citation

Clifford, Earle A. A Practical Guide to LP-gas Utilization. 5th ed. New York: Harcourt, 1973.

MLA (8th ed.) Citation

Clifford, Earle A. A Practical Guide to LP-gas Utilization. 5th ed. Harcourt, 1973.