APA (7th ed.) Citation

Bartrum, D. (1958). Hydrangeas and Viburnums. Gifford.

Chicago Style (17th ed.) Citation

Bartrum, Douglas. Hydrangeas and Viburnums. London: Gifford, 1958.

MLA (9th ed.) Citation

Bartrum, Douglas. Hydrangeas and Viburnums. Gifford, 1958.

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