APA (7th ed.) Citation

Järnefelt, G., Alikoski, H. A., & Kustaanheimo, P. E. (1949). Photometry of a part of the solar corona during the total eclipse on on 9th July 1945.

Chicago Style (17th ed.) Citation

Järnefelt, Gustaf, Heikki A. Alikoski, and Paul Edwin Kustaanheimo. Photometry of a Part of the Solar Corona During the Total Eclipse on on 9th July 1945. Helsinki, 1949.

MLA (9th ed.) Citation

Järnefelt, Gustaf, et al. Photometry of a Part of the Solar Corona During the Total Eclipse on on 9th July 1945. 1949.