APA (7th ed.) Citation

American Petroleum Institute. Division of Production. (1950). Secondary recovery of oil in the United States (2d ed.). [publisher not identified].

Chicago Style (17th ed.) Citation

American Petroleum Institute. Division of Production. Secondary Recovery of Oil in the United States. 2d ed. New York: [publisher not identified], 1950.

MLA (9th ed.) Citation

American Petroleum Institute. Division of Production. Secondary Recovery of Oil in the United States. 2d ed. [publisher not identified], 1950.