Your Virtual Butler

MLA

Hutchison, David; Kanade, Takeo; Kittler, Josef, Takeo Kanade, and Josef Kittler. Your Virtual Butler. Springer Berlin Heidelberg, 2013.

APA

Hutchison, J., Kanade, T., & Kittler, J. (2013). Your Virtual Butler. Springer Berlin Heidelberg.

Chicago

Hutchison, David; Kanade, Takeo; Kittler, Josef, Takeo Kanade, and Josef Kittler. Your Virtual Butler. : Springer Berlin Heidelberg, 2013.