APA (7th ed.) Citation

Marx, S. (1980). Sternwarten der Welt.

Chicago Style (17th ed.) Citation

Marx, Siegfried. Sternwarten Der Welt. 1980.

MLA (9th ed.) Citation

Marx, Siegfried. Sternwarten Der Welt. 1980.

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