Cita APA (7th ed.)

Ponsonby, D. A. (1975). The heir to Holtwood. Hurst and Blackett.

Cita Chicago (17th ed.)

Ponsonby, D. A. The Heir to Holtwood. London: Hurst and Blackett, 1975.

Cita MLA (8th ed.)

Ponsonby, D. A. The Heir to Holtwood. Hurst and Blackett, 1975.