APA

Wilder K., .Omar W. Nasim, Observing by Hand: Sketching the Nebulae in the Nineteenth Century, Chicago: Chicago University Press 2014, 296 p., $ 48,00. ISBN 978‐0‐2260‐8437‐4. : .

Chicago

Wilder Kelley, .Omar W. Nasim, Observing by Hand: Sketching the Nebulae in the Nineteenth Century, Chicago: Chicago University Press 2014, 296 p., $ 48,00. ISBN 978‐0‐2260‐8437‐4. : .

Harvard

Wilder K., .Omar W. Nasim, Observing by Hand: Sketching the Nebulae in the Nineteenth Century, Chicago: Chicago University Press 2014, 296 p., $ 48,00. ISBN 978‐0‐2260‐8437‐4. : .

MLA

Wilder Kelley, .: . .