APA (7th ed.) Citation

United States National Museum. (1897). Directions for collecting and preserving scale insects (Coccidae). GPO.

Chicago Style (17th ed.) Citation

United States National Museum. Directions for Collecting and Preserving Scale Insects (Coccidae). [Washington]: GPO, 1897.

MLA (9th ed.) Citation

United States National Museum. Directions for Collecting and Preserving Scale Insects (Coccidae). GPO, 1897.

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