APA (7th ed.) Citation

Roxas, H. A. Philippine alcyonaria, II: The families alcyoniidae and nephtyidae.

Chicago Style (17th ed.) Citation

Roxas, Hilario Anatacio. Philippine Alcyonaria, II: The Families Alcyoniidae and Nephtyidae.

MLA (9th ed.) Citation

Roxas, Hilario Anatacio. Philippine Alcyonaria, II: The Families Alcyoniidae and Nephtyidae.

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