Cita APA (7th ed.)

Sandburg, C. Good morning, America: Carl Sandburg. The city.(1979).

Cita Chicago (17th ed.)

Sandburg, Carl. "Good Morning, America: Carl Sandburg." The City.(1979) .

Cita MLA (8th ed.)

Sandburg, Carl. "Good Morning, America: Carl Sandburg." The City.(1979), .