Worcester, D. C. (1911). Newly discovered breeding places of Philippine sea birds; hybridism among boobies. Bureau of Print.
Chicago Style (17th ed.) CitationWorcester, Dean Conant. Newly Discovered Breeding Places of Philippine Sea Birds; Hybridism Among Boobies. Manila: Bureau of Print, 1911.
MLA (9th ed.) CitationWorcester, Dean Conant. Newly Discovered Breeding Places of Philippine Sea Birds; Hybridism Among Boobies. Bureau of Print, 1911.
Warning: These citations may not always be 100% accurate.