Cita APA (7a ed.)

Harrison, G. R. (1965). The first book of energy. F. Watts.

Cita Chicago Style (17a ed.)

Harrison, George Russell. The First Book of Energy. New York: F. Watts, 1965.

Cita MLA (9a ed.)

Harrison, George Russell. The First Book of Energy. F. Watts, 1965.