APA

Chapman R. N., . (1931). Animal ecology : with especial reference to insects. New York: Mcgraw-Hill.

Chicago

Chapman Royal N, . 1931. Animal ecology : with especial reference to insects. New York: Mcgraw-Hill.

Harvard

Chapman R. N., . (1931). Animal ecology : with especial reference to insects. New York: Mcgraw-Hill.

MLA

Chapman Royal N, . Animal ecology : with especial reference to insects. New York: Mcgraw-Hill. 1931.