Cita APA (7th ed.)

Earhart, W. (1962). A steadfast philosophy: A selection of papers written by Will Earhart dating from 1914. s.n.

Cita Chicago (17th ed.)

Earhart, Will. A Steadfast Philosophy: A Selection of Papers Written by Will Earhart Dating from 1914. [Washington: s.n, 1962.

Cita MLA (9th ed.)

Earhart, Will. A Steadfast Philosophy: A Selection of Papers Written by Will Earhart Dating from 1914. s.n, 1962.