APA

Crescimbeni J., . (1965). Arithmetic enrichment activities for elementary school children. New York: Parker Publishing Company.

Chicago

Crescimbeni Joseph, . 1965. Arithmetic enrichment activities for elementary school children. New York: Parker Publishing Company.

Harvard

Crescimbeni J., . (1965). Arithmetic enrichment activities for elementary school children. New York: Parker Publishing Company.

MLA

Crescimbeni Joseph, . Arithmetic enrichment activities for elementary school children. New York: Parker Publishing Company. 1965.