APA (7th ed.) Citation

Sugiyama, M., Suzuki, T., & Kanamori, T. (2012). Density ratio estimation in machine learning. Cambridge University Press.

Chicago Style (17th ed.) Citation

Sugiyama, Masashi, Taiji Suzuki, and Takafumi Kanamori. Density Ratio Estimation in Machine Learning. New York: Cambridge University Press, 2012.

MLA (9th ed.) Citation

Sugiyama, Masashi, et al. Density Ratio Estimation in Machine Learning. Cambridge University Press, 2012.