APA-viite (7. p.)

Engineers by the Honorable Herbert Hoover ex-president of the U.S. The U.P. Engineer.

Chicago-viite (17. p.)

"Engineers by the Honorable Herbert Hoover Ex-president of the U.S." The U.P. Engineer .

MLA-viite (9. p.)

"Engineers by the Honorable Herbert Hoover Ex-president of the U.S." The U.P. Engineer, .