APA (7th ed.) Citation

Ingalls, A. G. (1946). Amateur telescope making advanced. Scientific American.

Chicago Style (17th ed.) Citation

Ingalls, Albert G. Amateur Telescope Making Advanced. New York: Scientific American, 1946.

MLA (8th ed.) Citation

Ingalls, Albert G. Amateur Telescope Making Advanced. Scientific American, 1946.

Warning: These citations may not always be 100% accurate.