APA-viite (7. p.)
Thomas, E. A. (2012). Coal in our veins: A personal journey. Utah State University Press.
Chicago-viite (17. p.)
Thomas, Erin Ann. Coal in Our Veins: A Personal Journey. Logan, Utah: Utah State University Press, 2012.
MLA-viite (9. p.)
Thomas, Erin Ann. Coal in Our Veins: A Personal Journey. Utah State University Press, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.