Cita APA (7th ed.)
Estes, S. (1986). Called to die: The story of American linguist chet bitterman, slain by terrorists. Grand Rapids.
Cita Chicago (17th ed.)
Estes, Steve. Called to Die: The Story of American Linguist Chet Bitterman, Slain by Terrorists. Michigan: Grand Rapids, 1986.
Cita MLA (9th ed.)
Estes, Steve. Called to Die: The Story of American Linguist Chet Bitterman, Slain by Terrorists. Grand Rapids, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.