APA ציטוט

Wulff, E. V. (1950). An introduction to historical plant geography. Chronica Botanica.

Chicago Style (17th ed.) Citation

Wulff, E. V. An Introduction to Historical Plant Geography. Waltham: Chronica Botanica, 1950.

ציטוט MLA

Wulff, E. V. An Introduction to Historical Plant Geography. Chronica Botanica, 1950.