APA-viite (7. p.)
Beer, A., & Strand, K. A. (1975). Copernicus, yesterday and today: Proceedings of the commemorative conference held in Washington in honour of Nicolaus Copernicus. Pergamon Pr.
Chicago-viite (17. p.)
Beer, Arthur, ja K. Aa Strand. Copernicus, Yesterday and Today: Proceedings of the Commemorative Conference Held in Washington in Honour of Nicolaus Copernicus. Oxford [usw.], Braunschweig: Pergamon Pr, 1975.
MLA-viite (9. p.)
Beer, Arthur, ja K. Aa Strand. Copernicus, Yesterday and Today: Proceedings of the Commemorative Conference Held in Washington in Honour of Nicolaus Copernicus. Pergamon Pr, 1975.
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