Cita APA (7a ed.)

Snape, R. H., & Spalding, E. H. (1945). 1066 to 1300 (2. ed.). Philip.

Cita Chicago Style (17a ed.)

Snape, R. H., y E. H. Spalding. 1066 to 1300. 2. ed. London: Philip, 1945.

Cita MLA (9a ed.)

Snape, R. H., y E. H. Spalding. 1066 to 1300. 2. ed. Philip, 1945.