APA Style

Knutson, L, V., Vala, J. (2011). Biology Of Snail-Killing Sciomyzidae Flies . New York: Cambridge University Press.

MLA Style

Knutson, Llyod, Vernon., Vala, Jean-Claude. "Biology Of Snail-Killing Sciomyzidae Flies". New York: Cambridge University Press, 2011. Text.