APA (7th ed.) Citation

Wielen, R. (1988). Galactic dynamics: Stellar orbits. Structure and dynamics of the galactic system.

Chicago Style (17th ed.) Citation

Wielen, Roland. "Galactic Dynamics: Stellar Orbits." Structure and Dynamics of the Galactic System 1988.

MLA (9th ed.) Citation

Wielen, Roland. "Galactic Dynamics: Stellar Orbits." Structure and Dynamics of the Galactic System, 1988.

Warning: These citations may not always be 100% accurate.