APA (7th ed.) Citation

Schmidt, L. (1925). Evaporation losses of gasoline in refinery. [publisher not identified].

Chicago Style (17th ed.) Citation

Schmidt, Ludwig. Evaporation Losses of Gasoline in Refinery. Washington, D.C.: [publisher not identified], 1925.

MLA (9th ed.) Citation

Schmidt, Ludwig. Evaporation Losses of Gasoline in Refinery. [publisher not identified], 1925.