APA (7th ed.) Citation

Merrill, E. D. An enumeration of Philippine flowering plants. Asher.

Chicago Style (17th ed.) Citation

Merrill, Elmer Drew. An Enumeration of Philippine Flowering Plants. Amsterdam: Asher.

MLA (9th ed.) Citation

Merrill, Elmer Drew. An Enumeration of Philippine Flowering Plants. Asher.

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