Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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