APA način citiranja

B Howard & Howard B Suprague. (1959). Grasslands. American association for the advancment of science.

Čikaški stil citiranja

B Howard i Howard B Suprague. Grasslands. American association for the advancment of science, 1959.

MLA način citiranja

B Howard i Howard B Suprague. Grasslands. American association for the advancment of science, 1959.

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