Wilson, L. K., Elliott, J. E., Langelier, K. M., Scheuhammer, A. M., & Bowes, V. (1998). Lead poisoning of Trumpeter Swans, Cygnus buccinator, in British Columbia, 1976-1994. Zenodo.
Cita Chicago (17th ed.)Wilson, Laurie K., John E. Elliott, Ken M. Langelier, Anton M. Scheuhammer, i Victoria Bowes. Lead Poisoning of Trumpeter Swans, Cygnus Buccinator, in British Columbia, 1976-1994. Zenodo, 1998.
Cita MLA (9th ed.)Wilson, Laurie K., et al. Lead Poisoning of Trumpeter Swans, Cygnus Buccinator, in British Columbia, 1976-1994. Zenodo, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.