Man's mental evolution, past and future;
being an expansion of a paper read before the Ethological society, April 9, 1923 by Harry Campbell.

APA Citation

Campbell, H. (1923). Man's mental evolution, past and future. London: Baillière, Tindall & Cox.

MLA Citation

Campbell, Harry. Man's Mental Evolution, Past And Future. London: Baillière, Tindall & Cox, 1923.

Warning: These citations may not always be complete (especially for serials).