APA (7e ed.) Bronvermelding
Clark, S. P., Donnelly, T. w., & O'Keefe, J. A. (1963). The earth sciences: Problems and progress in current research. The University of Chicago Press.
Chicago (17e ed.) Bronvermelding
Clark, Sydney P., Thomas w. Donnelly, en John A. O'Keefe. The Earth Sciences: Problems and Progress in Current Research. Chicago: The University of Chicago Press, 1963.
MLA (9e ed.) Bronvermelding
Clark, Sydney P., et al. The Earth Sciences: Problems and Progress in Current Research. The University of Chicago Press, 1963.
Let op: Deze citaties zijn niet altijd 100% accuraat.