Citazione Stile APA (7a Edizione)

Lackschewitz, K. (1991). Vascular plants of west-central Montana identification guidebook. Intermountain Research Station.

Citazione stile Chigago Style (17a edizione)

Lackschewitz, Klaus. Vascular Plants of West-central Montana Identification Guidebook. Ogden: Intermountain Research Station, 1991.

Citatione MLA (9a ed.)

Lackschewitz, Klaus. Vascular Plants of West-central Montana Identification Guidebook. Intermountain Research Station, 1991.