APA

Culkin M. L., . (1949). Teaching the youngest. New York: Macmillan Co.

Chicago

Culkin Mabel L, . 1949. Teaching the youngest. New York: Macmillan Co.

Harvard

Culkin M. L., . (1949). Teaching the youngest. New York: Macmillan Co.

MLA

Culkin Mabel L, . Teaching the youngest. New York: Macmillan Co. 1949.