APA (7th ed.) Citation

Planck, C. C. (1851). Die Weltalter. Zu-Guttenberg.

Chicago Style (17th ed.) Citation

Planck, C. Ch. Die Weltalter. Tübingen: Zu-Guttenberg, 1851.

MLA (9th ed.) Citation

Planck, C. Ch. Die Weltalter. Zu-Guttenberg, 1851.

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