Cita APA (7a ed.)

Polska Akademia Nauk. Biblioteka (Warszawa). (1968). Library of the Polish Academy of Sciences, Warsaw =: Bibliothèque de l'Académie Polonaise des Sciences, Varsovie. [s.n].

Cita Chicago Style (17a ed.)

Polska Akademia Nauk. Biblioteka (Warszawa). Library of the Polish Academy of Sciences, Warsaw =: Bibliothèque De L'Académie Polonaise Des Sciences, Varsovie. Warszawa: [s.n], 1968.

Cita MLA (9a ed.)

Polska Akademia Nauk. Biblioteka (Warszawa). Library of the Polish Academy of Sciences, Warsaw =: Bibliothèque De L'Académie Polonaise Des Sciences, Varsovie. [s.n], 1968.