APA (7th ed.) Citation

Ekenberg, B. (1945). A study of visual binary stars: With regard to the errors of observation and the problem of orbit determination.

Chicago Style (17th ed.) Citation

Ekenberg, Bengt. A Study of Visual Binary Stars: With Regard to the Errors of Observation and the Problem of Orbit Determination. Lund, 1945.

MLA (8th ed.) Citation

Ekenberg, Bengt. A Study of Visual Binary Stars: With Regard to the Errors of Observation and the Problem of Orbit Determination. 1945.