APA način citiranja

Wist, T. J., & Davis, A. R. Floral structure and dynamics of nectar production in Echinacea pallida var. angustifolia (Asteraceae).

Čikaški stil citiranja

Wist, Tyler J., i Arthur R. Davis. Floral Structure and Dynamics of Nectar Production in Echinacea Pallida Var. Angustifolia (Asteraceae).

MLA način citiranja

Wist, Tyler J., i Arthur R. Davis. Floral Structure and Dynamics of Nectar Production in Echinacea Pallida Var. Angustifolia (Asteraceae).