APA (7th ed.) Citation

CROCKETT, J. U. Flowering shrubs. New York.

Chicago Style (17th ed.) Citation

CROCKETT, JAMES UNDERWOOD. Flowering Shrubs. New York.

MLA (8th ed.) Citation

CROCKETT, JAMES UNDERWOOD. Flowering Shrubs. New York.

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