Gaya APA

Rogers, C, R, A, B, S. (-1974). Person to person: the problem of being human, a new trend in psychology, (9th pr.). Cet.pertama 1967. . New York: Pocket books.

Gaya MLA

Rogers, Carl, R.,, And, Barry, Stevens.. "Person to person: the problem of being human, a new trend in psychology, (9th pr.). Cet.pertama 1967. ". New York: Pocket books, -1974. Buku.