APA (7th ed.) Citation

Webster, A. D. Hardy Ornamental Flowering Trees and Shrubs.

Chicago Style (17th ed.) Citation

Webster, Angus D. Hardy Ornamental Flowering Trees and Shrubs.

MLA (9th ed.) Citation

Webster, Angus D. Hardy Ornamental Flowering Trees and Shrubs.

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