Eitington, J. E. (1990). The winning trainer (2nd ed.). Gulf.
Cita Chicago Style (17a ed.)Eitington, Julius E. The Winning Trainer. 2nd ed. Houston [etc.]: Gulf, 1990.
Cita MLA (9a ed.)Eitington, Julius E. The Winning Trainer. 2nd ed. Gulf, 1990.
Precaución: Estas citas no son 100% exactas.