Não informado. (1956). Universitas: An interdisciplinary journal for the sciences and humanities. Wissenschaftliche Verlagsgesellschaft mbH.
Čikaški stil citiranja (17. izdanje)Não informado. Universitas: An Interdisciplinary Journal for the Sciences and Humanities. Stuttgart, Alemanha: Wissenschaftliche Verlagsgesellschaft mbH, 1956.
MLA način citiranja (8. izdanje)Não informado. Universitas: An Interdisciplinary Journal for the Sciences and Humanities. Wissenschaftliche Verlagsgesellschaft mbH, 1956.
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