Cita APA (7th ed.)

Hartshorn, W. C. (1940). Making friends with music; advanced book William C. Hartshorn and Helen S. Leavitt. Ginn.

Cita Chicago (17th ed.)

Hartshorn, William C. Making Friends with Music; Advanced Book William C. Hartshorn and Helen S. Leavitt. Boston: Ginn, 1940.

Cita MLA (9th ed.)

Hartshorn, William C. Making Friends with Music; Advanced Book William C. Hartshorn and Helen S. Leavitt. Ginn, 1940.