APA (7. basım) Alıntı
Ryder, R. D., & Singer, P. (2015). Speciesism, painism and happiness: A morality for the twenty-first century. Imprint Academic.
Chicago Style (17. basım) Atıf
Ryder, Richard D., ve Peter Singer. Speciesism, Painism and Happiness: A Morality for the Twenty-first Century. Exeter, England: Imprint Academic, 2015.
MLA (9th ed.) Atıf
Ryder, Richard D., ve Peter Singer. Speciesism, Painism and Happiness: A Morality for the Twenty-first Century. Imprint Academic, 2015.
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