APA način citiranja (7. izdanje)
Ryder, R. D., & Singer, P. (2015). Speciesism, painism and happiness: A morality for the twenty-first century. Imprint Academic.
Čikaški stil citiranja (17. izdanje)
Ryder, Richard D., i Peter Singer. Speciesism, Painism and Happiness: A Morality for the Twenty-first Century. Exeter, England: Imprint Academic, 2015.
MLA način citiranja (9. izdanje)
Ryder, Richard D., i Peter Singer. Speciesism, Painism and Happiness: A Morality for the Twenty-first Century. Imprint Academic, 2015.
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