APA (7th ed.) Citation

Eichman, M., & Hirschberg, D. (1941). Technic is fun. Musicord Publications.

Chicago Style (17th ed.) Citation

Eichman, Mildred, and David Hirschberg. Technic Is Fun. New York: Musicord Publications, 1941.

MLA (9th ed.) Citation

Eichman, Mildred, and David Hirschberg. Technic Is Fun. Musicord Publications, 1941.

Warning: These citations may not always be 100% accurate.