APA (7. basım) Alıntı

Harvard College Observatory & Federer, C. A. (1941). Sky and telescope. Sky Pub. Corp.].

Chicago Style (17. basım) Atıf

Harvard College Observatory ve Charles Anthony Federer. Sky and Telescope. [Cambridge, Mass.: Sky Pub. Corp.], 1941.

MLA (8th ed.) Atıf

Harvard College Observatory ve Charles Anthony Federer. Sky and Telescope. Sky Pub. Corp.], 1941.