APA (7th ed.) Citation

Buttmann, A., & Buttmann, P. (1858). Philipp Buttmann's Griechische Grammatik (20a ed.). Ferd. Dümmler.

Chicago Style (17th ed.) Citation

Buttmann, Alex, and Philip Buttmann. Philipp Buttmann's Griechische Grammatik. 20a ed. Berlin: Ferd. Dümmler, 1858.

MLA (9th ed.) Citation

Buttmann, Alex, and Philip Buttmann. Philipp Buttmann's Griechische Grammatik. 20a ed. Ferd. Dümmler, 1858.

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