Cita APA (7a ed.)
KRAMER, J., & ET AL. (1992). TRAINING OF HEAD CONTROL IN THE SITTING AND SEMI-PRONE POSITIONS.
Cita Chicago Style (17a ed.)
KRAMER, J.F, y ET AL. TRAINING OF HEAD CONTROL IN THE SITTING AND SEMI-PRONE POSITIONS. 1992.
Cita MLA (9a ed.)
KRAMER, J.F, y ET AL. TRAINING OF HEAD CONTROL IN THE SITTING AND SEMI-PRONE POSITIONS. 1992.
Precaución: Estas citas no son 100% exactas.