APA

Douglas G. W., . (1948). The American book of days: a compondium of information about holidays. New York: Wilson.

Chicago

Douglas George William, . 1948. The American book of days: a compondium of information about holidays. New York: Wilson.

Harvard

Douglas G. W., . (1948). The American book of days: a compondium of information about holidays. New York: Wilson.

MLA

Douglas George William, . The American book of days: a compondium of information about holidays. New York: Wilson. 1948.