Cita APA (7a ed.)

Stryjec, R., & Fac, B. (1971). Ex-Libris AB Faca.

Cita Chicago Style (17a ed.)

Stryjec, Ryszard, y Bolesław Fac. Ex-Libris AB Faca. [Gdańsk], 1971.

Cita MLA (9a ed.)

Stryjec, Ryszard, y Bolesław Fac. Ex-Libris AB Faca. 1971.