APA-viite

(2009). Letters to President Obama: Americans share our hopes and dreams with the first African-American president. New York: Skyhorse Pub.

Chicago-tyylinen lähdeviittaus

Letters to President Obama: Americans Share Our Hopes and Dreams With the First African-American President. New York: Skyhorse Pub, 2009.

MLA-viite

Letters to President Obama: Americans Share Our Hopes and Dreams With the First African-American President. New York: Skyhorse Pub, 2009.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.