APA Style

Tschappeler, R., Krogerus, M. (2008). The Descision Book: Fifty Models For Strategic Thinking (1st.ed). London: Profile Books Ltd.

MLA Style

Tschappeler, Roman., Krogerus, Mikael. "The Descision Book: Fifty Models For Strategic Thinking". 1st.ed London: Profile Books Ltd, 2008. Text.