APA (7th ed.) Citation

Annandale, N. Freshwater Sponges, Hydroids & Polyzoa.

Chicago Style (17th ed.) Citation

Annandale, Nelson. Freshwater Sponges, Hydroids & Polyzoa.

MLA (9th ed.) Citation

Annandale, Nelson. Freshwater Sponges, Hydroids & Polyzoa.

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