APA (7th ed.) Citation

Liu, S., & Forrest, J. Y. (2006). Grey information: Theory and practical applications. Springer.

Chicago Style (17th ed.) Citation

Liu, Sifeng, and Jeffrey Yi-Lin Forrest. Grey Information: Theory and Practical Applications. London: Springer, 2006.

MLA (9th ed.) Citation

Liu, Sifeng, and Jeffrey Yi-Lin Forrest. Grey Information: Theory and Practical Applications. Springer, 2006.