Cita APA (7th ed.)

Meinhardt, P. (1946). Inventions, patents and monopoly. Stevens & Sons.

Cita Chicago (17th ed.)

Meinhardt, Peter. Inventions, Patents and Monopoly. London: Stevens & Sons, 1946.

Cita MLA (8th ed.)

Meinhardt, Peter. Inventions, Patents and Monopoly. Stevens & Sons, 1946.