Cita APA (7th ed.)

Edward Emerson Barnard, F. b. G. O. D. (2012). A PHOTOGRAPHIC ATLAS OF SELECTED REGIONS OF THE MILKY WAY (1.). Cambridge University Press.

Cita Chicago (17th ed.)

Edward Emerson Barnard, Foreword by Gerald Orin Dobek. A PHOTOGRAPHIC ATLAS OF SELECTED REGIONS OF THE MILKY WAY. 1. Cambridge University Press, 2012.

Cita MLA (8th ed.)

Edward Emerson Barnard, Foreword by Gerald Orin Dobek. A PHOTOGRAPHIC ATLAS OF SELECTED REGIONS OF THE MILKY WAY. 1. Cambridge University Press, 2012.