APA (7th ed.) Citation

Ptak, R. Sulu in Ming drama. Philippine studies : a quarterly.

Chicago Style (17th ed.) Citation

Ptak, Roderich. "Sulu in Ming Drama." Philippine Studies : A Quarterly .

MLA (9th ed.) Citation

Ptak, Roderich. "Sulu in Ming Drama." Philippine Studies : A Quarterly, .

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