APA

Stone W., .On a collection of birds from the vicinity of Bogotá with a review of the South American species of Speotyto and Troglodytes. : .

Chicago

Stone Witmer, .On a collection of birds from the vicinity of Bogotá with a review of the South American species of Speotyto and Troglodytes. : .

Harvard

Stone W., .On a collection of birds from the vicinity of Bogotá with a review of the South American species of Speotyto and Troglodytes. : .

MLA

Stone Witmer, .: . .