APA (7th ed.) Citation

Ringström, H. Cosmology, the big bang and the BKL conjecture. Académie des sciences.

Chicago Style (17th ed.) Citation

Ringström, Hans. Cosmology, the Big Bang and the BKL Conjecture. Académie des sciences.

MLA (9th ed.) Citation

Ringström, Hans. Cosmology, the Big Bang and the BKL Conjecture. Académie des sciences.

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