APA (7th ed.) Citation

College Park Colloquium on Chemical Evolution & Ponnamperuma, C. (1978). Comparative planetology: [proceedings of the Third College Park Colloquium on Chemical Evolution ... held September 29-October 1, 1976 at the University of Maryland]. Academic Press.

Chicago Style (17th ed.) Citation

College Park Colloquium on Chemical Evolution and Cyril Ponnamperuma. Comparative Planetology: [proceedings of the Third College Park Colloquium on Chemical Evolution ... Held September 29-October 1, 1976 at the University of Maryland]. New York: Academic Press, 1978.

MLA (8th ed.) Citation

College Park Colloquium on Chemical Evolution and Cyril Ponnamperuma. Comparative Planetology: [proceedings of the Third College Park Colloquium on Chemical Evolution ... Held September 29-October 1, 1976 at the University of Maryland]. Academic Press, 1978.