APA (7th ed.) Citation

Wielen, R. (2019). Germany’s difficulties in becoming a member of the International Astronomical Union. Proceedings of the International Astronomical Union, 13(S349), . https://doi.org/10.1017/S1743921319000322

Chicago Style (17th ed.) Citation

Wielen, Roland. "Germany’s Difficulties in Becoming a Member of the International Astronomical Union." Proceedings of the International Astronomical Union 13, no. S349 (2019). https://doi.org/10.1017/S1743921319000322.

MLA (9th ed.) Citation

Wielen, Roland. "Germany’s Difficulties in Becoming a Member of the International Astronomical Union." Proceedings of the International Astronomical Union, vol. 13, no. S349, 2019, https://doi.org/10.1017/S1743921319000322.