APA (7th ed.) Citation

Brodrick, A. H. (1951). The tree of human history. Philosophical Library.

Chicago Style (17th ed.) Citation

Brodrick, Alan Houghton. The Tree of Human History. New York: Philosophical Library, 1951.

MLA (9th ed.) Citation

Brodrick, Alan Houghton. The Tree of Human History. Philosophical Library, 1951.