Cita APA

Bibby, C. J., Mustoe, S., Burgess, N. D., & Hill, D. A. (2000). Bird census techniques (2. ed.). London: Academic Press.

Citación estilo Chicago

Bibby, Colin J., Simon Mustoe, Neil D. Burgess, y David A. Hill. Bird Census Techniques. 2. ed. London: Academic Press, 2000.

Cita MLA

Bibby, Colin J., Simon Mustoe, Neil D. Burgess, y David A. Hill. Bird Census Techniques. 2. ed. London: Academic Press, 2000.