Cita APA (7th ed.)

Crippen, H. R. (1947). American imperialism and Philippine independence. S.n.

Cita Chicago (17th ed.)

Crippen, Harlan R. American Imperialism and Philippine Independence. S.l: S.n, 1947.

Cita MLA (9th ed.)

Crippen, Harlan R. American Imperialism and Philippine Independence. S.n, 1947.