APA

Bartlett D., Bartlett J., . (1975). The flight of the snow geese. New York: Stein and Day.

Chicago

Bartlett Des, Bartlett Jen, . 1975. The flight of the snow geese. New York: Stein and Day.

Harvard

Bartlett D., Bartlett J., . (1975). The flight of the snow geese. New York: Stein and Day.

MLA

Bartlett Des, Bartlett Jen, . The flight of the snow geese. New York: Stein and Day. 1975.