Gaya APA

Freud, S., Yudha, A, F. (2019). Three contributions to the theory of sex . Yogyakarta: Immortal Publishing dan Octopus.

Gaya MLA

Freud, Sigmund., Yudha, Ali, Formen. "Three contributions to the theory of sex". Yogyakarta: Immortal Publishing dan Octopus, 2019. Text.