Cita APA (7th ed.)

Powers, E., & Vidler, S. (1978). Switzerland. Kodansha International.

Cita Chicago (17th ed.)

Powers, Elizabeth, i Steve Vidler. Switzerland. Tokyo: Kodansha International, 1978.

Cita MLA (9th ed.)

Powers, Elizabeth, i Steve Vidler. Switzerland. Kodansha International, 1978.