APA

Capen L. I., . (1952). Across the ages: the story of man's progress. New York: American Book Co.

Chicago

Capen Louise Irving, . 1952. Across the ages: the story of man's progress. New York: American Book Co.

Harvard

Capen L. I., . (1952). Across the ages: the story of man's progress. New York: American Book Co.

MLA

Capen Louise Irving, . Across the ages: the story of man's progress. New York: American Book Co. 1952.