APA

Ames O., . (1939). Economic annuals and human cultures. Cambridge, Massachusetts: Botanical Museum of Harvard University.

Chicago

Ames Oakes, . 1939. Economic annuals and human cultures. Cambridge, Massachusetts: Botanical Museum of Harvard University.

Harvard

Ames O., . (1939). Economic annuals and human cultures. Cambridge, Massachusetts: Botanical Museum of Harvard University.

MLA

Ames Oakes, . Economic annuals and human cultures. Cambridge, Massachusetts: Botanical Museum of Harvard University. 1939.