Wilf, A., Merlin, S., & Bergmann, H. (1964). The Ascent of Man: Alexander Wilf, Samuel Merlin. Foreword by S. Hugo Bergman. Thomas Yoseloff.
Citazione stile Chigago Style (17a edizione)Wilf, Alexander, Samuel Merlin, e Hugo Bergmann. The Ascent of Man: Alexander Wilf, Samuel Merlin. Foreword by S. Hugo Bergman. New York [u.a.]: Thomas Yoseloff, 1964.
Citatione MLA (8a ed.)Wilf, Alexander, et al. The Ascent of Man: Alexander Wilf, Samuel Merlin. Foreword by S. Hugo Bergman. Thomas Yoseloff, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.