APA Citation

Parker, G. H. 1. (1926). What evolution is. Cambridge: Harvard University Press.

Chicago Style Citation

Parker, George Howard 1864-1955. What Evolution Is. Cambridge: Harvard University Press, 1926.

MLA Citation

Parker, George Howard 1864-1955. What Evolution Is. Cambridge: Harvard University Press, 1926.

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