Harland, N. (2018). The Birds of Sutton Grange. Zenodo.
Cita Chicago (17th ed.)Harland, Nigel. The Birds of Sutton Grange. Zenodo, 2018.
Cita MLA (9th ed.)Harland, Nigel. The Birds of Sutton Grange. Zenodo, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.