APA

Snyder N. F. R., Wiley J. W. & Kepler C. B. (1987). The parrots of Luquillo: natural history and conservation of the Puerto Rico parrot. Los Angeles, Ca: Western Foundation of Vertebrate Zoology.

Chicago

Snyder Noel F R, Wiley James W and Kepler Cameron B. 1987. The parrots of Luquillo: natural history and conservation of the Puerto Rico parrot. Los Angeles, Ca: Western Foundation of Vertebrate Zoology.

Harvard

Snyder N. F. R., Wiley J. W. and Kepler C. B. (1987). The parrots of Luquillo: natural history and conservation of the Puerto Rico parrot. Los Angeles, Ca: Western Foundation of Vertebrate Zoology.

MLA

Snyder Noel F R, Wiley James W and Kepler Cameron B. The parrots of Luquillo: natural history and conservation of the Puerto Rico parrot. Los Angeles, Ca: Western Foundation of Vertebrate Zoology. 1987.