APA

American Petroleum Institute A., . (1961). Safe practices in geophysical exploration operations. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1961. Safe practices in geophysical exploration operations. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1961). Safe practices in geophysical exploration operations. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Safe practices in geophysical exploration operations. Washington: American Petroleum Institute, API. 1961.