APA Style
Bader, Bonnie. (2015).
Who Was Christopher Columbus? .
USA:
Penguin Workshop.
Chicago Style
Bader, Bonnie.
Who Was Christopher Columbus?.
USA:
Penguin Workshop,
2015.
Text.
MLA Style
Bader, Bonnie.
Who Was Christopher Columbus?.
USA:
Penguin Workshop,
2015.
Text.
Turabian Style
Bader, Bonnie.
Who Was Christopher Columbus?.
USA:
Penguin Workshop,
2015.
Print.