APA (7th ed.) Citation

Espach, R. H. (1928). Visible-action continuous-distillation apparatus for laboratory study of fractionation. [publisher not identified].

Chicago Style (17th ed.) Citation

Espach, Ralph H. Visible-action Continuous-distillation Apparatus for Laboratory Study of Fractionation. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Espach, Ralph H. Visible-action Continuous-distillation Apparatus for Laboratory Study of Fractionation. [publisher not identified], 1928.