Cita APA (7a ed.)

Lehti, R., & Markkanen, T. (2010). History of astronomy in Finland, 1828-1918. Societas Scientiarum Fennica.

Cita Chicago Style (17a ed.)

Lehti, Raimo, y Tapio Markkanen. History of Astronomy in Finland, 1828-1918. [Helsinki]: Societas Scientiarum Fennica, 2010.

Cita MLA (9a ed.)

Lehti, Raimo, y Tapio Markkanen. History of Astronomy in Finland, 1828-1918. Societas Scientiarum Fennica, 2010.