APA (7th ed.) Citation

Valtin , J. (1940). Do fundo da noite: Comintern, Profintern, Gestapo, GPU, Scotland Yard.. Livraria Jos e Olympio.

Chicago Style (17th ed.) Citation

Valtin , Jan. Do Fundo Da Noite: Comintern, Profintern, Gestapo, GPU, Scotland Yard.. Rio de Janeiro: Livraria Jos e Olympio, 1940.

MLA (8th ed.) Citation

Valtin , Jan. Do Fundo Da Noite: Comintern, Profintern, Gestapo, GPU, Scotland Yard.. Livraria Jos e Olympio, 1940.

Warning: These citations may not always be 100% accurate.