APA Edition Citation

Boxer, C. R. (1973). The Portuguese seaborne empire / by C.R. Boxer. Penguin.

Chicago Edition Citation

Boxer, C. R. The Portuguese Seaborne Empire / by C.R. Boxer. Penguin, 1973.

MLA Edition Citation

Boxer, C. R. The Portuguese Seaborne Empire / by C.R. Boxer. Penguin, 1973.

Warning: These citations may not always be 100% accurate.