APA

Coler B. S., . (1914). Two and Two Make four. New York: Frank D. Beattys and Co.

Chicago

Coler Bird Sim, . 1914. Two and Two Make four. New York: Frank D. Beattys and Co.

Harvard

Coler B. S., . (1914). Two and Two Make four. New York: Frank D. Beattys and Co.

MLA

Coler Bird Sim, . Two and Two Make four. New York: Frank D. Beattys and Co. 1914.