APA (7th ed.) Citation

De Celis, A. K. (1981). Survey of class ophiuroidea in Tayabas Bay. National Museum.

Chicago Style (17th ed.) Citation

De Celis, Alejandro K. Survey of Class Ophiuroidea in Tayabas Bay. Manila: National Museum, 1981.

MLA (9th ed.) Citation

De Celis, Alejandro K. Survey of Class Ophiuroidea in Tayabas Bay. National Museum, 1981.