APA (7th ed.) Citation

Jordan, R. R. (1964). Columbia (Pleistocene) sediments of Delaware. [publisher not identified].

Chicago Style (17th ed.) Citation

Jordan, Robert R. Columbia (Pleistocene) Sediments of Delaware. Newark, Del.: [publisher not identified], 1964.

MLA (9th ed.) Citation

Jordan, Robert R. Columbia (Pleistocene) Sediments of Delaware. [publisher not identified], 1964.