APA (7th ed.) Citation

Hillmer, G. (1991). Central Philippines: Mapping, mining, modern reefs. University of Hamburg.

Chicago Style (17th ed.) Citation

Hillmer, G. Central Philippines: Mapping, Mining, Modern Reefs. Hamburg: University of Hamburg, 1991.

MLA (9th ed.) Citation

Hillmer, G. Central Philippines: Mapping, Mining, Modern Reefs. University of Hamburg, 1991.

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