APA (7th ed.) Citation

(1973). The highest example of heroism. [s.n.].

Chicago Style (17th ed.) Citation

The Highest Example of Heroism. [s.l.]: [s.n.], 1973.

MLA (9th ed.) Citation

The Highest Example of Heroism. [s.n.], 1973.

Warning: These citations may not always be 100% accurate.