APA (7th ed.) Citation

Hoffman, R. L. (1973). Studies on Spiroboloid millipeds. IX.: A second Typhlobolellid genus from Mexico. Field Museum of Natural History.

Chicago Style (17th ed.) Citation

Hoffman, Richard L. Studies on Spiroboloid Millipeds. IX.: A Second Typhlobolellid Genus from Mexico. [Chicago]: Field Museum of Natural History, 1973.

MLA (9th ed.) Citation

Hoffman, Richard L. Studies on Spiroboloid Millipeds. IX.: A Second Typhlobolellid Genus from Mexico. Field Museum of Natural History, 1973.