Cita APA (7th ed.)

(1969). Engels: The selfportrait of this century. Stadsdruckkerj van Amsterdam.

Cita Chicago (17th ed.)

Engels: The Selfportrait of This Century. Amsterdam: Stadsdruckkerj van Amsterdam, 1969.

Cita MLA (8th ed.)

Engels: The Selfportrait of This Century. Stadsdruckkerj van Amsterdam, 1969.