APA (7th ed.) Citation

Amendola, L., Polarski, D., & Tsujikawa, S. (2007). Are f(R) dark energy models cosmologically viable ? Arxiv.

Chicago Style (17th ed.) Citation

Amendola, Luca, David Polarski, and Shinji Tsujikawa. "Are F(R) Dark Energy Models Cosmologically Viable ?" Arxiv 2007.

MLA (9th ed.) Citation

Amendola, Luca, et al. "Are F(R) Dark Energy Models Cosmologically Viable ?" Arxiv, 2007.