APA-viite (7. p.)

Karrer, W. Richard Wright, Fire and Cloud: Wolfgang Karrer. Twentieth-century america : recent interpretations.(1972).

Chicago-viite (17. p.)

Karrer, Wolfgang. "Richard Wright, Fire and Cloud: Wolfgang Karrer." Twentieth-century America : Recent Interpretations.(1972) .

MLA-viite (8. p.)

Karrer, Wolfgang. "Richard Wright, Fire and Cloud: Wolfgang Karrer." Twentieth-century America : Recent Interpretations.(1972), .