APA (7th ed.) Citation

Wielen, R. (1974). Space velocities of nearby classical cepheids. Astronomy & astrophysics. Supplement series, 15, .

Chicago Style (17th ed.) Citation

Wielen, Roland. "Space Velocities of Nearby Classical Cepheids." Astronomy & Astrophysics. Supplement Series 15 (1974).

MLA (9th ed.) Citation

Wielen, Roland. "Space Velocities of Nearby Classical Cepheids." Astronomy & Astrophysics. Supplement Series, vol. 15, 1974.

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