Cita APA (7a ed.)

Haffer, J. (1966). Interspecific competition as a possible factor in limiting the range of some trans-Andean forest birds. Aves Argentinas. Asociación Ornitológica del Plata.

Cita Chicago Style (17a ed.)

Haffer, Jürgen. Interspecific Competition as a Possible Factor in Limiting the Range of Some Trans-Andean Forest Birds. Aves Argentinas. Asociación Ornitológica del Plata, 1966.

Cita MLA (8a ed.)

Haffer, Jürgen. Interspecific Competition as a Possible Factor in Limiting the Range of Some Trans-Andean Forest Birds. Aves Argentinas. Asociación Ornitológica del Plata, 1966.