APA (7th ed.) Citation

Clark, J. L. Four new species of Drymonia (Gesneriaceae) from South America: Tributes to inspirational leaders. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Clark, John L. Four New Species of Drymonia (Gesneriaceae) from South America: Tributes to Inspirational Leaders. Pensoft Publishers.

MLA (9th ed.) Citation

Clark, John L. Four New Species of Drymonia (Gesneriaceae) from South America: Tributes to Inspirational Leaders. Pensoft Publishers.

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