APA (7th ed.) Citation

Drouet, F. (1968). Revision of the classification of the Oscillatoriaceae. Academy of Natural Sciences of Philadelphia.

Chicago Style (17th ed.) Citation

Drouet, Francis. Revision of the Classification of the Oscillatoriaceae. [Philadelphia]: Academy of Natural Sciences of Philadelphia, 1968.

MLA (8th ed.) Citation

Drouet, Francis. Revision of the Classification of the Oscillatoriaceae. Academy of Natural Sciences of Philadelphia, 1968.