APA
O'Regan D., Chen Yu Qing & Cho Yeol Je. (2006). Topological degree theory and applications. Boca Raton: Chapman & Hall/CRC.
Chicago
O'Regan Donal, Chen Yu Qing and Cho Yeol Je. 2006. Topological degree theory and applications. Boca Raton: Chapman & Hall/CRC.
Harvard
O'Regan D., Chen Yu Qing and Cho Yeol Je. (2006). Topological degree theory and applications. Boca Raton: Chapman & Hall/CRC.
MLA
O'Regan Donal, Chen Yu Qing and Cho Yeol Je. Topological degree theory and applications. Boca Raton: Chapman & Hall/CRC. 2006.