APA (7th ed.) Citation

Athur c. clark. (1970). Space the unconqerable (first eddition.). lake house.

Chicago Style (17th ed.) Citation

Athur c. clark. Space the Unconqerable. first eddition. colombo: lake house, 1970.

MLA (9th ed.) Citation

Athur c. clark. Space the Unconqerable. first eddition. lake house, 1970.

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