APA (7th ed.) Citation

Kopal, Z. (1970). Telescopes in space. Hart Publishing.

Chicago Style (17th ed.) Citation

Kopal, Zedenek. Telescopes in Space. New York: Hart Publishing, 1970.

MLA (9th ed.) Citation

Kopal, Zedenek. Telescopes in Space. Hart Publishing, 1970.

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