Cita APA (7a ed.)

Levens, A. S. (1954). Graphic in engineering and science. John Wile and sons.

Cita Chicago Style (17a ed.)

Levens, Alexander Sander. Graphic in Engineering and Science. New York: John Wile and sons, 1954.

Cita MLA (9a ed.)

Levens, Alexander Sander. Graphic in Engineering and Science. John Wile and sons, 1954.