Cita APA (7th ed.)

Gould, J. (1889). Gould's 'Birds of New Guinea'. Zenodo.

Cita Chicago (17th ed.)

Gould, John. Gould's 'Birds of New Guinea'. Zenodo, 1889.

Cita MLA (9th ed.)

Gould, John. Gould's 'Birds of New Guinea'. Zenodo, 1889.