APA (7th ed.) Citation

Protista: Protozoa and algae. Boulton-Hawker Films Ltd..

Chicago Style (17th ed.) Citation

Protista: Protozoa and Algae. Suffolk, England: Boulton-Hawker Films Ltd..

MLA (9th ed.) Citation

Protista: Protozoa and Algae. Boulton-Hawker Films Ltd..

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