APA

Chen W. H., Chen W. H., . (1981). The year of the robot. Beaverton, Or: Dilithium Press.

Chicago

Chen Wayne H, Chen Wayne H, . 1981. The year of the robot. Beaverton, Or: Dilithium Press.

Harvard

Chen W. H., Chen W. H., . (1981). The year of the robot. Beaverton, Or: Dilithium Press.

MLA

Chen Wayne H, Chen Wayne H, . The year of the robot. Beaverton, Or: Dilithium Press. 1981.