APA引文

Haugen, B. (2005). Frederick Douglass: Slave, writer, abolitionist. Compass Point.

Chicago Style (17th ed.) Citation

Haugen, Brenda. Frederick Douglass: Slave, Writer, Abolitionist. Minneapolis: Compass Point, 2005.

MLA引文

Haugen, Brenda. Frederick Douglass: Slave, Writer, Abolitionist. Compass Point, 2005.

警告：這些引文格式不一定是100％准確.