APA (7th ed.) Citation

Vahl, M. (1904). Madeiras vegetation: Geografisk monografi. Gyldendal.

Chicago Style (17th ed.) Citation

Vahl, Martin. Madeiras Vegetation: Geografisk Monografi. København [u.a.]: Gyldendal, 1904.

MLA (9th ed.) Citation

Vahl, Martin. Madeiras Vegetation: Geografisk Monografi. Gyldendal, 1904.

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