APA

Autores Varios, . (2013). Heart of the city: Church of the Holy Cross in Warsaw. s.n: Warsaw.

Chicago

Autores Varios, . 2013. Heart of the city: Church of the Holy Cross in Warsaw. s.n: Warsaw.

Harvard

Autores Varios, . (2013). Heart of the city: Church of the Holy Cross in Warsaw. s.n: Warsaw.

MLA

Autores Varios, . Heart of the city: Church of the Holy Cross in Warsaw. s.n: Warsaw. 2013.