Contributions to the theory of natural selection :
a series of essays /
by Alfred Russel Wallace.
APA Citation
Wallace, A. Russel. (1875). Contributions to the theory of natural selection: a series of essays. London: Macmillan and co..
MLA Citation
Wallace, Alfred Russel, 1823-1913. Contributions to the Theory of Natural Selection: a Series of Essays. London: Macmillan and co., 1875.
Warning: These citations may not always be complete (especially for serials).