Tohutoro APA (7th ed.)

Wymer, N., & Cronin, A. J. (1999). The citadel. Pearson Education.

Cita Chicago Style (17a ed.)

Wymer, Norman, me A. J. Cronin. The Citadel. Harlow, England: Pearson Education, 1999.

Cita MLA (9a ed.)

Wymer, Norman, me A. J. Cronin. The Citadel. Pearson Education, 1999.