APA (7th ed.) Citation

Meltzer, M. (1999). Carl Sandburg: A biography. Twenty-First Century Books.

Chicago Style (17th ed.) Citation

Meltzer, Milton. Carl Sandburg: A Biography. Brookfield, Conn: Twenty-First Century Books, 1999.

MLA (8th ed.) Citation

Meltzer, Milton. Carl Sandburg: A Biography. Twenty-First Century Books, 1999.