APA (7th ed.) Citation

Hebecker, A., & Wetterich, C. (2000). Natural quintessence? Arxiv.

Chicago Style (17th ed.) Citation

Hebecker, Arthur, and Christof Wetterich. "Natural Quintessence?" Arxiv 2000.

MLA (9th ed.) Citation

Hebecker, Arthur, and Christof Wetterich. "Natural Quintessence?" Arxiv, 2000.