APA

Powell L. H., . (1945). New uses for globes and spherical maps. New York-US: Geografical record.

Chicago

Powell Louis H, . 1945. New uses for globes and spherical maps. New York-US: Geografical record.

Harvard

Powell L. H., . (1945). New uses for globes and spherical maps. New York-US: Geografical record.

MLA

Powell Louis H, . New uses for globes and spherical maps. New York-US: Geografical record. 1945.