Cartwright, B. W. (1933). Wild Geese Killed by Lightning. Zenodo.
Cita Chicago (17th ed.)Cartwright, B. W. Wild Geese Killed by Lightning. Zenodo, 1933.
Cita MLA (9th ed.)Cartwright, B. W. Wild Geese Killed by Lightning. Zenodo, 1933.
Atenció: Aquestes cites poden no estar 100% correctes.