APA (7th ed.) Citation

Kopal, Z. (1966). An introduction to the study of the moon. Reidel.

Chicago Style (17th ed.) Citation

Kopal, Zdeněk. An Introduction to the Study of the Moon. Dordrecht: Reidel, 1966.

MLA (9th ed.) Citation

Kopal, Zdeněk. An Introduction to the Study of the Moon. Reidel, 1966.

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