Citazione Stile APA (7a Edizione)

Campbell, G. ;. E. (1953). The book of flags: Gordon Campbell and I.O. Evans (2. Aufl.). Oxford Univ. Press.

Citazione stile Chigago Style (17a edizione)

Campbell, Gordon ; Evans. The Book of Flags: Gordon Campbell and I.O. Evans. 2. Aufl. London: Oxford Univ. Press, 1953.

Citatione MLA (8a ed.)

Campbell, Gordon ; Evans. The Book of Flags: Gordon Campbell and I.O. Evans. 2. Aufl. Oxford Univ. Press, 1953.