APA (7th ed.) Citation

Liu, L., Kang, P., Wu, Y. H., & Wiwatanapataphee, B. (2008). Positive solutions of singular boundary value problems for systems of nonlinear fourth order differential equations. Pergamon.

Chicago Style (17th ed.) Citation

Liu, L., P. Kang, Yong Hong Wu, and Benchawan Wiwatanapataphee. Positive Solutions of Singular Boundary Value Problems for Systems of Nonlinear Fourth Order Differential Equations. Pergamon, 2008.

MLA (9th ed.) Citation

Liu, L., et al. Positive Solutions of Singular Boundary Value Problems for Systems of Nonlinear Fourth Order Differential Equations. Pergamon, 2008.