APA (7th ed.) Citation

Novikov, ù. A. (1972). A planet of riddles. MIR Publishers.

Chicago Style (17th ed.) Citation

Novikov, ùE. A. A Planet of Riddles. Moscow: MIR Publishers, 1972.

MLA (9th ed.) Citation

Novikov, ùE. A. A Planet of Riddles. MIR Publishers, 1972.

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