APA

Nietzsche F. 1. 1., . (1981). Also sprach Zaratustra. Stuttgart: Kröner.

Chicago

Nietzsche Friedrich 1844 1900, . 1981. Also sprach Zaratustra. Stuttgart: Kröner.

Harvard

Nietzsche F. 1. 1., . (1981). Also sprach Zaratustra. Stuttgart: Kröner.

MLA

Nietzsche Friedrich 1844 1900, . Also sprach Zaratustra. Stuttgart: Kröner. 1981.