Cita APA (7th ed.)
Thulin, J. G., & Roper, R. E. (1947). Gymnastic Hand-Book: Gymnastics with theory and method. Sydsvenska Gymnastik-Inst.
Cita Chicago (17th ed.)
Thulin, Josef Gottfrid, i R. E. Roper. Gymnastic Hand-Book: Gymnastics with Theory and Method. Lund: Sydsvenska Gymnastik-Inst, 1947.
Cita MLA (9th ed.)
Thulin, Josef Gottfrid, i R. E. Roper. Gymnastic Hand-Book: Gymnastics with Theory and Method. Sydsvenska Gymnastik-Inst, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.