APA

Marvel T., . (1948). The new Congo. New York: Duell, Sloan and Pearce.

Chicago

Marvel Tom, . 1948. The new Congo. New York: Duell, Sloan and Pearce.

Harvard

Marvel T., . (1948). The new Congo. New York: Duell, Sloan and Pearce.

MLA

Marvel Tom, . The new Congo. New York: Duell, Sloan and Pearce. 1948.