APA-Zitierstil (7. Ausg.)

Root, D. H., Attanasi, E. D., & Turner, R. M. (1987). Statistics of petroleum exploration in the Non-Communist world outside the United States and Canada. U.S. Gov. Print. Off.

Chicago-Zitierstil (17. Ausg.)

Root, David H., Emil D. Attanasi, und Robert M. Turner. Statistics of Petroleum Exploration in the Non-Communist World Outside the United States and Canada. Washington, D.C: U.S. Gov. Print. Off, 1987.

MLA-Zitierstil (9. Ausg.)

Root, David H., et al. Statistics of Petroleum Exploration in the Non-Communist World Outside the United States and Canada. U.S. Gov. Print. Off, 1987.