Cita APA (7a ed.)

STEWART, H. L., & PHILBIN, T. (1984). Pumps.-- Ed.2. G.K. Hall and Co.

Cita Chicago Style (17a ed.)

STEWART, Harry L., y Tom PHILBIN. Pumps.-- Ed.2. Boston: G.K. Hall and Co, 1984.

Cita MLA (9a ed.)

STEWART, Harry L., y Tom PHILBIN. Pumps.-- Ed.2. G.K. Hall and Co, 1984.