APA (7th ed.) Citation

Hooker, A. B., Yant, W. P., & Zellers, D. H. (1928). Are flame safety lamps suitable for detecting petroleum vapors. [publisher not identified].

Chicago Style (17th ed.) Citation

Hooker, A. B., W. P. Yant, and D. H. Zellers. Are Flame Safety Lamps Suitable for Detecting Petroleum Vapors. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Hooker, A. B., et al. Are Flame Safety Lamps Suitable for Detecting Petroleum Vapors. [publisher not identified], 1928.