APA (7th ed.) Citation

Bell, K. G. (1960). Uranium and other trace elements in petroleums and rock asphalts. US Gov. Print. Office.

Chicago Style (17th ed.) Citation

Bell, Kenneth G. Uranium and Other Trace Elements in Petroleums and Rock Asphalts. Washington, DC: US Gov. Print. Office, 1960.

MLA (9th ed.) Citation

Bell, Kenneth G. Uranium and Other Trace Elements in Petroleums and Rock Asphalts. US Gov. Print. Office, 1960.