Cita APA

Ponnamperuma, C. (1972). Frontiers of biology, Vol.23: Exobiology.

Citación estilo Chicago

Ponnamperuma, Cyril. Frontiers of Biology, Vol.23: Exobiology. North-Holland Publishing Co., Amsterdam, 1972.

Cita MLA

Ponnamperuma, Cyril. Frontiers of Biology, Vol.23: Exobiology. 1972.

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