Cita APA (7th ed.)

Beaulieu, R. (1999). The new Porcupine Forest flock of Trumpeter Swans, Cygnus buccinator, in Saskatchewan. Zenodo.

Cita Chicago (17th ed.)

Beaulieu, Rhys. The New Porcupine Forest Flock of Trumpeter Swans, Cygnus Buccinator, in Saskatchewan. Zenodo, 1999.

Cita MLA (9th ed.)

Beaulieu, Rhys. The New Porcupine Forest Flock of Trumpeter Swans, Cygnus Buccinator, in Saskatchewan. Zenodo, 1999.