APA (7th ed.) Citation

(2014). One two three me (4. Auflage.). Peter Hammer Verlag.

Chicago Style (17th ed.) Citation

One Two Three Me. 4. Auflage. Wuppertal: Peter Hammer Verlag, 2014.

MLA (9th ed.) Citation

One Two Three Me. 4. Auflage. Peter Hammer Verlag, 2014.

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