APA (7th ed.) Citation

Ponnamperuma, C. (1972). Exobiology. North-Holland Pub. Co..

Chicago Style (17th ed.) Citation

Ponnamperuma, Cyril. Exobiology. Amsterdam: North-Holland Pub. Co., 1972.

MLA (8th ed.) Citation

Ponnamperuma, Cyril. Exobiology. North-Holland Pub. Co., 1972.

Warning: These citations may not always be 100% accurate.