APA (7th ed.) Citation

Merrill, E. D. (1967). An enumeration of Philippine flowering plants. A. Asher.

Chicago Style (17th ed.) Citation

Merrill, Elmer Drew. An Enumeration of Philippine Flowering Plants. Amsterdam: A. Asher, 1967.

MLA (9th ed.) Citation

Merrill, Elmer Drew. An Enumeration of Philippine Flowering Plants. A. Asher, 1967.

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