Cita APA

Beatty, J. L., & Johnson, O. A. (1971). Heritage of western civilization (3rd ed.). N.J. Prentice Hall.

Chicago Edition Citation

Beatty, John Louis, i Oliver A. Johnson. Heritage of Western Civilization. 3rd ed. Englewood Cliffs: N.J. Prentice Hall, 1971.

Cita MLA

Beatty, John Louis, i Oliver A. Johnson. Heritage of Western Civilization. 3rd ed. N.J. Prentice Hall, 1971.