APA Style

Messerschmitt, D, G., Szyperski, C. (2003.). Software ecosystem :understanding an indispensable technology and industry . Cambridge, Mass. :: MIT Press,.

MLA Style

Messerschmitt, David, G.., Szyperski, Clemens.. "Software ecosystem :understanding an indispensable technology and industry ". Cambridge, Mass. :: MIT Press,, 2003.. .