APA (7th ed.) Citation

Cullis, C. F., & Firth, J. G. (1981). Detection and measurement of hazardous gases. Heinemann.

Chicago Style (17th ed.) Citation

Cullis, C. F., and J. G. Firth. Detection and Measurement of Hazardous Gases. London ; Exeter, N.H.: Heinemann, 1981.

MLA (9th ed.) Citation

Cullis, C. F., and J. G. Firth. Detection and Measurement of Hazardous Gases. Heinemann, 1981.