APA (7th ed.) Citation

Kopal, Z. (1970). The moon / by Z. Kopal (2nd ed.). Reidel.

Chicago Style (17th ed.) Citation

Kopal, Z. The Moon / by Z. Kopal. 2nd ed. Reidel, 1970.

MLA (9th ed.) Citation

Kopal, Z. The Moon / by Z. Kopal. 2nd ed. Reidel, 1970.

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