APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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