APA

Ferrero E. P., Nichols D. T., . (1972). Analyses of 169 crude oils from 122 foreign oilfields. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

Chicago

Ferrero Edward P, Nichols Dorothy T, . 1972. Analyses of 169 crude oils from 122 foreign oilfields. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

Harvard

Ferrero E. P., Nichols D. T., . (1972). Analyses of 169 crude oils from 122 foreign oilfields. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

MLA

Ferrero Edward P, Nichols Dorothy T, . Analyses of 169 crude oils from 122 foreign oilfields. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior. 1972.