Cita APA (7a ed.)

Reyes, N. I. (1926). Financial and Operating Ratios of the Gas Industry. Columbia University.

Cita Chicago Style (17a ed.)

Reyes, Nicanor I. Financial and Operating Ratios of the Gas Industry. New York: Columbia University, 1926.

Cita MLA (9a ed.)

Reyes, Nicanor I. Financial and Operating Ratios of the Gas Industry. Columbia University, 1926.