APA (7th ed.) Citation

Heine, H. (1857). Heinrich Heines Wirken . [s.n.].

Chicago Style (17th ed.) Citation

Heine, Heinrich. Heinrich Heines Wirken . Hamburg: [s.n.], 1857.

MLA (9th ed.) Citation

Heine, Heinrich. Heinrich Heines Wirken . [s.n.], 1857.

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