APA (7th ed.) Citation

Siegel, M., Caflisch, R., & Howison, S. (2004). Global existence, singular solutions, and ill-posedness for the Muskat problem.

Chicago Style (17th ed.) Citation

Siegel, M., R. Caflisch, and S. Howison. Global Existence, Singular Solutions, and Ill-posedness for the Muskat Problem. 2004.

MLA (9th ed.) Citation

Siegel, M., et al. Global Existence, Singular Solutions, and Ill-posedness for the Muskat Problem. 2004.