APA Style
Marakas, George M., O\'brien, James A.. (2010).
Introduction to Information Systems. 15th Edition (15th Edition).
New York:
McGraw Hill.
Chicago Style
Marakas, George M., O\'brien, James A..
Introduction to Information Systems. 15th Edition.
15th Edition
New York:
McGraw Hill,
2010.
Text.
MLA Style
Marakas, George M., O\'brien, James A..
Introduction to Information Systems. 15th Edition.
15th Edition
New York:
McGraw Hill,
2010.
Text.
Turabian Style
Marakas, George M., O\'brien, James A..
Introduction to Information Systems. 15th Edition.
15th Edition
New York:
McGraw Hill,
2010.
Print.