Παραπομπή APA

Philbrick, N. (2004). Sea of glory: America's voyage of discovery. Penguin.

Παραπομπή Chicago Style

Philbrick, Nathaniel. Sea of Glory: America's Voyage of Discovery. New York: Penguin, 2004.

Παραπομπή MLA

Philbrick, Nathaniel. Sea of Glory: America's Voyage of Discovery. Penguin, 2004.