APA
Colombos John C,, . (1967). The international law of the sea. London: Longman Group Ltd.
Chicago
Colombos John C,, . 1967. The international law of the sea. London: Longman Group Ltd.
Harvard
Colombos John C,, . (1967). The international law of the sea. London: Longman Group Ltd.
MLA
Colombos John C,, . The international law of the sea. London: Longman Group Ltd. 1967.