APA (7th ed.) Citation

Callahan, N. (1987). Carl Sandburg: His life and works. Pennsylvania State University Press.

Chicago Style (17th ed.) Citation

Callahan, North. Carl Sandburg: His Life and Works. University Park: Pennsylvania State University Press, 1987.

MLA (9th ed.) Citation

Callahan, North. Carl Sandburg: His Life and Works. Pennsylvania State University Press, 1987.

Warning: These citations may not always be 100% accurate.