Cita APA (7th ed.)

NA. (1993). Taxonomy of the blue-crested group of Cyanocitta stelleri (Steller's jay) with a description of a new subspecies. Zenodo.

Cita Chicago (17th ed.)

NA. Taxonomy of the Blue-crested Group of Cyanocitta Stelleri (Steller's Jay) with a Description of a New Subspecies. Zenodo, 1993.

Cita MLA (9th ed.)

NA. Taxonomy of the Blue-crested Group of Cyanocitta Stelleri (Steller's Jay) with a Description of a New Subspecies. Zenodo, 1993.