Cita APA (7a ed.)

Bowler Sharpe, R. Proceedings of the Fourth International Ornithological Congress.

Cita Chicago Style (17a ed.)

Bowler Sharpe, R. Proceedings of the Fourth International Ornithological Congress. London-ING.

Cita MLA (8a ed.)

Bowler Sharpe, R. Proceedings of the Fourth International Ornithological Congress.