Gaya APA

(1866-1946)., D. (1958). The human situation, repr. Cet.pertama 1937. . Harmondsworth: Penguin.

Gaya MLA

(1866-1946)., Dixon,W.Macneile. "The human situation, repr. Cet.pertama 1937. ". Harmondsworth: Penguin, 1958. Buku.