Cita APA (7a ed.)

Poor, H. W., & Poor, H. V. Poor's handbook of investment securities: A supplement to Poor's manual of railroads.

Cita Chicago Style (17a ed.)

Poor, Henry W., y Henry Varnum Poor. Poor's Handbook of Investment Securities: A Supplement to Poor's Manual of Railroads.

Cita MLA (8a ed.)

Poor, Henry W., y Henry Varnum Poor. Poor's Handbook of Investment Securities: A Supplement to Poor's Manual of Railroads.