APA (7th ed.) Citation

Jackson, C. F. (1931). Some notes on underground transportation. [publisher not identified].

Chicago Style (17th ed.) Citation

Jackson, Charles F. Some Notes on Underground Transportation. Washington, D.C.: [publisher not identified], 1931.

MLA (9th ed.) Citation

Jackson, Charles F. Some Notes on Underground Transportation. [publisher not identified], 1931.

Warning: These citations may not always be 100% accurate.