APA Style

Roberts, J.M, Arne Westad, Odd. (2014). The Penguin History of The World (Ed. 6). New York: Penguin Books.

Chicago Style

Roberts, J.M, Arne Westad, Odd. The Penguin History of The World. Ed. 6 New York: Penguin Books, 2014. Buku Teks.

MLA Style

Roberts, J.M, Arne Westad, Odd. The Penguin History of The World. Ed. 6 New York: Penguin Books, 2014. Buku Teks.

Turabian Style

Roberts, J.M, Arne Westad, Odd. The Penguin History of The World. Ed. 6 New York: Penguin Books, 2014. Buku Teks.