Mutual aid :
a factor of evolution /
by P. Kropotkin.
APA Citation
Kropotkin, P. Alekseevich. (1922). Mutual aid: a factor of evolution. New York: Alfred A. Knopf.
MLA Citation
Kropotkin, Petr Alekseevich, kni︠a︡zʹ, 1842-1921. Mutual Aid: a Factor of Evolution. New York: Alfred A. Knopf, 1922.
Warning: These citations may not always be complete (especially for serials).