Cita APA

Sandburg, C. A. 1., & Sandburg, C. A. 1. (1962). Prayers of steel. Caedmon.

Citación estilo Chicago

Sandburg, Carl August 1878-1967, y Carl August 1878-1967 Sandburg. Prayers of Steel. Caedmon, 1962.

Cita MLA

Sandburg, Carl August 1878-1967, y Carl August 1878-1967 Sandburg. Prayers of Steel. Caedmon, 1962.