APA (7th ed.) Citation

O'Regan, D., Cho, Y. J., & Chen, Y. Q. (2006). Topological degree theory and applications. Chapman and Hall/CRC.

Chicago Style (17th ed.) Citation

O'Regan, Donal, Yeol Je Cho, and Yu Qing Chen. Topological Degree Theory and Applications. Boca Raton, FL: Chapman and Hall/CRC, 2006.

MLA (9th ed.) Citation

O'Regan, Donal, et al. Topological Degree Theory and Applications. Chapman and Hall/CRC, 2006.