Musk-ox, bison, sheep, and goat,
by Caspar Whitney, George Bird Grinnell, and Owen Wister.

APA Citation

Whitney, C., Wister, O., Grinnell, G. Bird. (1904). Musk-ox, bison, sheep, and goat. New York, London: Macmillan.

MLA Citation

Whitney, Caspar, 1862-1929, Owen Wister, and George Bird Grinnell. Musk-ox, Bison, Sheep, And Goat. New York, London: Macmillan, 1904.

Warning: These citations may not always be complete (especially for serials).