APA

Minor R., . (1937). Early childhood education: its principles and practices. New York: Appleton-Century Company Inc.

Chicago

Minor Ruby, . 1937. Early childhood education: its principles and practices. New York: Appleton-Century Company Inc.

Harvard

Minor R., . (1937). Early childhood education: its principles and practices. New York: Appleton-Century Company Inc.

MLA

Minor Ruby, . Early childhood education: its principles and practices. New York: Appleton-Century Company Inc. 1937.