APA (7th ed.) Citation

Frey, W. (1978). Vegetation und Flora des Zentralen Hindūkus <Afghanistan>.

Chicago Style (17th ed.) Citation

Frey, Wolfgang. Vegetation Und Flora Des Zentralen Hindūkus <Afghanistan>. 1978.

MLA (9th ed.) Citation

Frey, Wolfgang. Vegetation Und Flora Des Zentralen Hindūkus <Afghanistan>. 1978.

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