APA

Petersham M. F., Petersham M., . (1941). An American ABC. New York: The Macmillan Company.

Chicago

Petersham Maud Fuller, Petersham Miska, . 1941. An American ABC. New York: The Macmillan Company.

Harvard

Petersham M. F., Petersham M., . (1941). An American ABC. New York: The Macmillan Company.

MLA

Petersham Maud Fuller, Petersham Miska, . An American ABC. New York: The Macmillan Company. 1941.