Cita APA (7a ed.)

Schuster, A. (1911). On the periodicity of sun-spots. Harrison and sons, printers.

Cita Chicago Style (17a ed.)

Schuster, Arthur. On the Periodicity of Sun-spots. [London: Harrison and sons, printers, 1911.

Cita MLA (9a ed.)

Schuster, Arthur. On the Periodicity of Sun-spots. Harrison and sons, printers, 1911.