Cita APA (7th ed.)

Bill, M., & Huber, C. (1972). Fritz Glarner.

Cita Chicago (17th ed.)

Bill, Max, i Carlo Huber. Fritz Glarner. Bern, 1972.

Cita MLA (8th ed.)

Bill, Max, i Carlo Huber. Fritz Glarner. 1972.