APA (7th ed.) Citation

Hubert, J., Porcher, J., & Volbach, W. F. (1969). Europe of the invasions. G. Braziller.

Chicago Style (17th ed.) Citation

Hubert, Jean, Jean Porcher, and Wolfgang Fritz Volbach. Europe of the Invasions. New York: G. Braziller, 1969.

MLA (9th ed.) Citation

Hubert, Jean, et al. Europe of the Invasions. G. Braziller, 1969.