Cita APA (7th ed.)

Eddington, A. S. (1933). The expandig universe. The Cambridge University.

Cita Chicago (17th ed.)

Eddington, Arthur S. The Expandig Universe. Cambridge: The Cambridge University, 1933.

Cita MLA (9th ed.)

Eddington, Arthur S. The Expandig Universe. The Cambridge University, 1933.