APA (7th ed.) Citation

Lämmel, R. (1957). Isaac Newton. Büchergilde Gutenberg.

Chicago Style (17th ed.) Citation

Lämmel, Rudolf. Isaac Newton. Zürich: Büchergilde Gutenberg, 1957.

MLA (9th ed.) Citation

Lämmel, Rudolf. Isaac Newton. Büchergilde Gutenberg, 1957.

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