APA

Pick F. W., . (1950). Peacemaking in perspective. Oxford: Pen-in-Hand.

Chicago

Pick Frederick Walter, . 1950. Peacemaking in perspective. Oxford: Pen-in-Hand.

Harvard

Pick F. W., . (1950). Peacemaking in perspective. Oxford: Pen-in-Hand.

MLA

Pick Frederick Walter, . Peacemaking in perspective. Oxford: Pen-in-Hand. 1950.