Cita APA (7a ed.)

Ritter, B., & Ritter, B. (1883). L - Z. Wigand.

Cita Chicago Style (17a ed.)

Ritter, Benjamin, y Benjamin Ritter. L - Z. Leipzig: Wigand, 1883.

Cita MLA (8a ed.)

Ritter, Benjamin, y Benjamin Ritter. L - Z. Wigand, 1883.