Cita APA (7a ed.)

Thomas, H. (1950). Living biographies of great scientists. Perma Giants.

Cita Chicago Style (17a ed.)

Thomas, Henry. Living Biographies of Great Scientists. Garden city, N.Y.: Perma Giants, 1950.

Cita MLA (9a ed.)

Thomas, Henry. Living Biographies of Great Scientists. Perma Giants, 1950.