APA (7th ed.) Citation

Richen, G. (1927). Siebertz, Paul, Wunder im Weltall. Stimmen der Zeit, 113(11), 399-400.

Chicago Style (17th ed.) Citation

Richen, Gottfried. "Siebertz, Paul, Wunder Im Weltall." Stimmen Der Zeit 113, no. 11 (1927): 399-400.

MLA (9th ed.) Citation

Richen, Gottfried. "Siebertz, Paul, Wunder Im Weltall." Stimmen Der Zeit, vol. 113, no. 11, 1927, pp. 399-400.

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