APA-viite (7. p.)
Millichap, J. R. (2009). Robert Penn Warren after Audubon: The work of aging and the quest for transcendence in his later poetry. Louisiana State University Press.
Chicago-viite (17. p.)
Millichap, Joseph R. Robert Penn Warren After Audubon: The Work of Aging and the Quest for Transcendence in His Later Poetry. Baton Rouge: Louisiana State University Press, 2009.
MLA-viite (9. p.)
Millichap, Joseph R. Robert Penn Warren After Audubon: The Work of Aging and the Quest for Transcendence in His Later Poetry. Louisiana State University Press, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.