APA Style

Asphyxia, . (2012). The Grimstones. Mortimer revealed : the second magnificently secret diary of Martha Grimstone (1st). New York: Allen & Unwin.

MLA Style

Asphyxia, . "The Grimstones. Mortimer revealed : the second magnificently secret diary of Martha Grimstone". 1st New York: Allen & Unwin, 2012. Text.