APA (7th ed.) Citation

Robertson, J. (1962). Practical problems of the portrait painter. Darton.

Chicago Style (17th ed.) Citation

Robertson, Janet. Practical Problems of the Portrait Painter. London: Darton, 1962.

MLA (9th ed.) Citation

Robertson, Janet. Practical Problems of the Portrait Painter. Darton, 1962.

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