APA (7th ed.) Citation

Thoday, D. (1933). The Terminology of "Xerophytism" ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Thoday, D. The Terminology of "Xerophytism". [Sonderdr.]. 1933.

MLA (9th ed.) Citation

Thoday, D. The Terminology of "Xerophytism". [Sonderdr.]. 1933.

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