APA (7th ed.) Citation

Allen, S. W., & Schmidt, R. W. (2008). Improved constraints on dark energy from Chandra X-ray observations of the largest relaxed galaxy clusters. Arxiv.

Chicago Style (17th ed.) Citation

Allen, Steven W., and Robert W. Schmidt. "Improved Constraints on Dark Energy from Chandra X-ray Observations of the Largest Relaxed Galaxy Clusters." Arxiv 2008.

MLA (9th ed.) Citation

Allen, Steven W., and Robert W. Schmidt. "Improved Constraints on Dark Energy from Chandra X-ray Observations of the Largest Relaxed Galaxy Clusters." Arxiv, 2008.

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