APA (7th ed.) Zitazioa
Maslow, A. H. (1971). The farther reaches of human nature. Penguin books.
Chicago Style (17th ed.) Zitazioa
Maslow, Abraham H. The Farther Reaches of Human Nature. England: Penguin books, 1971.
MLA (9th ed.) Zitazioa
Maslow, Abraham H. The Farther Reaches of Human Nature. Penguin books, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.