APA (7th ed.) Citation

Nathaniel John Winch. (2014). Flora of Northumberland and Durham. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Nathaniel John Winch. Flora of Northumberland and Durham. Pensoft Publishers, 2014.

MLA (9th ed.) Citation

Nathaniel John Winch. Flora of Northumberland and Durham. Pensoft Publishers, 2014.

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