Cita APA

Ernst, F. n. 1. (1951). European Switzerland: Historically considered. Zurich: Fretz & Wasmuth.

Citación estilo Chicago

Ernst, Fritz n. 1889. European Switzerland: Historically Considered. Zurich: Fretz & Wasmuth, 1951.

Cita MLA

Ernst, Fritz n. 1889. European Switzerland: Historically Considered. Zurich: Fretz & Wasmuth, 1951.

Precaución: Estas citas no son 100% exactas.