APA način citiranja (7. izdanje)

Guevara, R. Toxicity of oil of chenopodium when administered together with castor oil. Journal of the Philippine Pharmaceutical Association.

Čikaški stil citiranja (17. izdanje)

Guevara, Romulo. "Toxicity of Oil of Chenopodium When Administered Together with Castor Oil." Journal of the Philippine Pharmaceutical Association .

MLA način citiranja (9. izdanje)

Guevara, Romulo. "Toxicity of Oil of Chenopodium When Administered Together with Castor Oil." Journal of the Philippine Pharmaceutical Association, .