Cita APA (7th ed.)

Theobald, D. W. (1966). The concept of energy. Spon.

Cita Chicago (17th ed.)

Theobald, David William. The Concept of Energy. Lond.: Spon, 1966.

Cita MLA (8th ed.)

Theobald, David William. The Concept of Energy. Spon, 1966.