APA Style
Demuth, Patricia. (2013).
Who is bill gates? .
New York.:
Penguin Workshop.
Chicago Style
Demuth, Patricia.
Who is bill gates?.
New York.:
Penguin Workshop,
2013.
Text.
MLA Style
Demuth, Patricia.
Who is bill gates?.
New York.:
Penguin Workshop,
2013.
Text.
Turabian Style
Demuth, Patricia.
Who is bill gates?.
New York.:
Penguin Workshop,
2013.
Print.