APA način citiranja (7. izdanje)
Pearl, R., & Clawson, A. B. (1907). Variation and correlation in the crayfish.
Čikaški stil citiranja (17. izdanje)
Pearl, Raymond, i Arthur Brooks Clawson. Variation and Correlation in the Crayfish. Washington, 1907.
MLA način citiranja (9. izdanje)
Pearl, Raymond, i Arthur Brooks Clawson. Variation and Correlation in the Crayfish. 1907.
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