APA (7th ed.) Citation

Roth, G. D. (1963). The amateur astronomer and his telescope. Van Nostrand.

Chicago Style (17th ed.) Citation

Roth, Günter Dietmar. The Amateur Astronomer and His Telescope. Princeton, N.J.: Van Nostrand, 1963.

MLA (9th ed.) Citation

Roth, Günter Dietmar. The Amateur Astronomer and His Telescope. Van Nostrand, 1963.