APA Style

Valacich, J, G, J, &, H, J, A. (2012). Essentials of Systems Analysis & Design (5th Edition). Singapore: Pearson Education South Asia Pte Ltd..

MLA Style

Valacich, Joseph;, George, Joey, &, Hoffer,, Jeffrey, A.. "Essentials of Systems Analysis & Design". 5th Edition Singapore: Pearson Education South Asia Pte Ltd., 2012. Text.