Cita APA (7a ed.)

Barrett, C., & Burns, A. N. (1951). Butterflies of Australia and New Guinea. N. H. Seward.

Cita Chicago Style (17a ed.)

Barrett, Charles, y A. N. Burns. Butterflies of Australia and New Guinea. Melbourne: N. H. Seward, 1951.

Cita MLA (9a ed.)

Barrett, Charles, y A. N. Burns. Butterflies of Australia and New Guinea. N. H. Seward, 1951.