APA (7th ed.) Citation

Swanson, E. B. (1932). World production of natural gasoline, 1931. [publisher not identified].

Chicago Style (17th ed.) Citation

Swanson, E. B. World Production of Natural Gasoline, 1931. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Swanson, E. B. World Production of Natural Gasoline, 1931. [publisher not identified], 1932.