توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Guthke, K. S. (2017). Life without end: A thought experiment in literature from Swift to Houellebecq / Karl S. Guthke (First published.). Camden House.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Guthke, Karl Siegfried. Life Without End: A Thought Experiment in Literature from Swift to Houellebecq / Karl S. Guthke. First published. Rochester, New York: Camden House, 2017.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Guthke, Karl Siegfried. Life Without End: A Thought Experiment in Literature from Swift to Houellebecq / Karl S. Guthke. First published. Camden House, 2017.