Cita APA (7a ed.)

Gladden, W. (1904). Where does the sky begin? Houghton, Mifflin and company.

Cita Chicago Style (17a ed.)

Gladden, Washington. Where Does the Sky Begin? Boston and New York: Houghton, Mifflin and company, 1904.

Cita MLA (8a ed.)

Gladden, Washington. Where Does the Sky Begin? Houghton, Mifflin and company, 1904.