APA (7th ed.) Citation

Ricardo, H. R. (1968). Memories and machines : the pattern of my life: The pattern of my life. Constable.

Chicago Style (17th ed.) Citation

Ricardo, Harry R.. Memories and Machines : The Pattern of My Life: The Pattern of My Life. London: Constable, 1968.

MLA (9th ed.) Citation

Ricardo, Harry R.. Memories and Machines : The Pattern of My Life: The Pattern of My Life. Constable, 1968.

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