Citazione Stile APA (7a Edizione)

Purton, R. W. (1967). Days of adventure (4. impression.). Collins Clear-Type Press.

Citazione stile Chigago Style (17a edizione)

Purton, Rowland W. Days of Adventure. 4. impression. London: Collins Clear-Type Press, 1967.

Citatione MLA (9a ed.)

Purton, Rowland W. Days of Adventure. 4. impression. Collins Clear-Type Press, 1967.