APA

Hellman L, . (1961). The little foxes. N. Y: The Viking Press.

Chicago

Hellman L, . 1961. The little foxes. N. Y: The Viking Press.

Harvard

Hellman L, . (1961). The little foxes. N. Y: The Viking Press.

MLA

Hellman L, . The little foxes. N. Y: The Viking Press. 1961.