APA

Howard A. D., . (1943). In the hich yemen. New York-US: Geografical record.

Chicago

Howard Arthur David, . 1943. In the hich yemen. New York-US: Geografical record.

Harvard

Howard A. D., . (1943). In the hich yemen. New York-US: Geografical record.

MLA

Howard Arthur David, . In the hich yemen. New York-US: Geografical record. 1943.