APA-Zitierstil (7. Ausg.)

MacNeill, J. (1981). Apera silky - bent or windgrass, an important weed genus recently discovered in Ontario, Canada ([Sonderdr.].).

Chicago-Zitierstil (17. Ausg.)

MacNeill, J. Apera Silky - Bent or Windgrass, an Important Weed Genus Recently Discovered in Ontario, Canada. [Sonderdr.]. 1981.

MLA-Zitierstil (9. Ausg.)

MacNeill, J. Apera Silky - Bent or Windgrass, an Important Weed Genus Recently Discovered in Ontario, Canada. [Sonderdr.]. 1981.