Hitchcock, A. S. (1898). Sixth report on Kansas weeds: Distribution and other notes. Experiment Station, Kansas State Agricultural College.
Chicago-Zitierstil (17. Ausg.)Hitchcock, Albert S. Sixth Report on Kansas Weeds: Distribution and Other Notes. Manhattan, Kan: Experiment Station, Kansas State Agricultural College, 1898.
MLA-Zitierstil (9. Ausg.)Hitchcock, Albert S. Sixth Report on Kansas Weeds: Distribution and Other Notes. Experiment Station, Kansas State Agricultural College, 1898.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.