Cita APA (7th ed.)

Struve, O. (1950). Stellar evolution: An exploration from the observatory. Princeton University Press.

Cita Chicago (17th ed.)

Struve, Otto. Stellar Evolution: An Exploration from the Observatory. Princeton: Princeton University Press, 1950.

Cita MLA (8th ed.)

Struve, Otto. Stellar Evolution: An Exploration from the Observatory. Princeton University Press, 1950.