APA

Petersen D. G., . (1964). The elementary school teacher. New York: Appleton-Century-Crofts.

Chicago

Petersen Dorothy G, . 1964. The elementary school teacher. New York: Appleton-Century-Crofts.

Harvard

Petersen D. G., . (1964). The elementary school teacher. New York: Appleton-Century-Crofts.

MLA

Petersen Dorothy G, . The elementary school teacher. New York: Appleton-Century-Crofts. 1964.