APA (7th ed.) Citation

Stetter, K. O. (2008). Hyperthermophilic life on Earth - and on Mars? Fitness of the cosmos for life, 135-148.

Chicago Style (17th ed.) Citation

Stetter, Karl O. "Hyperthermophilic Life on Earth - and on Mars?" Fitness of the Cosmos for Life 2008: 135-148.

MLA (9th ed.) Citation

Stetter, Karl O. "Hyperthermophilic Life on Earth - and on Mars?" Fitness of the Cosmos for Life, 2008, pp. 135-148.

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