APA

Ullman G. H., . (1967). The ocean freight forwarder, the exporter, and the law. Cambridge, Md: Cornell Maritime Press.

Chicago

Ullman Gerald H, . 1967. The ocean freight forwarder, the exporter, and the law. Cambridge, Md: Cornell Maritime Press.

Harvard

Ullman G. H., . (1967). The ocean freight forwarder, the exporter, and the law. Cambridge, Md: Cornell Maritime Press.

MLA

Ullman Gerald H, . The ocean freight forwarder, the exporter, and the law. Cambridge, Md: Cornell Maritime Press. 1967.