Cita APA (7th ed.)

Roberts, C. G. D. (1919). The heart of the ancient wood (4th ed.). Methuen.

Cita Chicago (17th ed.)

Roberts, Charles George Douglas. The Heart of the Ancient Wood. 4th ed. London: Methuen, 1919.

Cita MLA (8th ed.)

Roberts, Charles George Douglas. The Heart of the Ancient Wood. 4th ed. Methuen, 1919.