APA (7th ed.) Citation

Planck, M. (1950). Karl Christian Planck: Leben und Werk. Frommanns.

Chicago Style (17th ed.) Citation

Planck, Mathilde. Karl Christian Planck: Leben Und Werk. Stuttgart: Frommanns, 1950.

MLA (8th ed.) Citation

Planck, Mathilde. Karl Christian Planck: Leben Und Werk. Frommanns, 1950.

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