Cita APA (7a ed.)

Harrison, G. R. (1946). How things work: Science for young Americans. William Morrow.

Cita Chicago Style (17a ed.)

Harrison, George Russell. How Things Work: Science for Young Americans. New York: William Morrow, 1946.

Cita MLA (9a ed.)

Harrison, George Russell. How Things Work: Science for Young Americans. William Morrow, 1946.