APA
Schofield R. N., . (1990). Islands and maritime boundaries of the Gulf. Slough, England: Archive Editions.
Chicago
Schofield Richard N, . 1990. Islands and maritime boundaries of the Gulf. Slough, England: Archive Editions.
Harvard
Schofield R. N., . (1990). Islands and maritime boundaries of the Gulf. Slough, England: Archive Editions.
MLA
Schofield Richard N, . Islands and maritime boundaries of the Gulf. Slough, England: Archive Editions. 1990.