APA (7th ed.) Citation

Sandburg, C., Hendrick, G., & Hendrick, W. (1996). Selected poems. Harcourt Brace.

Chicago Style (17th ed.) Citation

Sandburg, Carl, George Hendrick, and Willene Hendrick. Selected Poems. San Diego: Harcourt Brace, 1996.

MLA (8th ed.) Citation

Sandburg, Carl, et al. Selected Poems. Harcourt Brace, 1996.