APA (7th ed.) Citation

Langhoff, J. A. (1984). An experimental and mathematical investigation of hydrocarbon steam distillation. [publisher not identified].

Chicago Style (17th ed.) Citation

Langhoff, John Allan. An Experimental and Mathematical Investigation of Hydrocarbon Steam Distillation. [Place of publication not identified]: [publisher not identified], 1984.

MLA (9th ed.) Citation

Langhoff, John Allan. An Experimental and Mathematical Investigation of Hydrocarbon Steam Distillation. [publisher not identified], 1984.