Cita APA (7th ed.)

Guyer, W. (1932). Pestalozzi: Walter Guyer. Huber.

Cita Chicago (17th ed.)

Guyer, Walter. Pestalozzi: Walter Guyer. Frauenfeld [u.a.]: Huber, 1932.

Cita MLA (8th ed.)

Guyer, Walter. Pestalozzi: Walter Guyer. Huber, 1932.