MLA

Boxer, Charles Ralph. The Dutch Seaborne Empire 1600-1800. London: Penguin Books, 1990.

APA

Boxer, C. Ralph. (1990). The Dutch seaborne empire 1600-1800. London: Penguin Books.

Chicago

Boxer, Charles Ralph The Dutch Seaborne Empire 1600-1800. London: Penguin Books, 1990.