Cita APA

Heel, A. C. S. 1., Velzel, C. H. F., & Rosenfeld, J. (1968). What is light? New York: McGraw-Hill Book Company.

Citación estilo Chicago

Heel, Abraham Cornelis Sebastiën 1899-1966, Christiaan H. F. Velzel, y J.L.J Rosenfeld. What Is Light? New York: McGraw-Hill Book Company, 1968.

Cita MLA

Heel, Abraham Cornelis Sebastiën 1899-1966, Christiaan H. F. Velzel, y J.L.J Rosenfeld. What Is Light? New York: McGraw-Hill Book Company, 1968.