Cita APA

(1973). Speyer cathedral: Cathedral church. Papal basilica (3a. ed.). Schnell and Stein.

Citación estilo Chicago

Speyer Cathedral: Cathedral Church. Papal Basilica. 3a. ed. Múnich: Schnell and Stein, 1973.

Cita MLA

Speyer Cathedral: Cathedral Church. Papal Basilica. 3a. ed. Schnell and Stein, 1973.

Warning: These citations may not always be 100% accurate.