APA (7th ed.) Citation

Bukh, N. E., Punchard, F. N., & Johansson, J. (1939). Primary gymnastics. Methuen & co. ltd..

Chicago Style (17th ed.) Citation

Bukh, Niels Ebbesen, Frank N. Punchard, and Johan Johansson. Primary Gymnastics. London: Methuen & co. ltd., 1939.

MLA (9th ed.) Citation

Bukh, Niels Ebbesen, et al. Primary Gymnastics. Methuen & co. ltd., 1939.