APA (7th ed.) Citation

Worley, C. E. (1961). Thirteen new double stars. [Selbstverl.].

Chicago Style (17th ed.) Citation

Worley, Charles E. Thirteen New Double Stars. Mount Hamilton, Calif: [Selbstverl.], 1961.

MLA (9th ed.) Citation

Worley, Charles E. Thirteen New Double Stars. [Selbstverl.], 1961.

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