APA (7th ed.) Citation

Simpson, I. (1994). Collins complete drawing course. HarperCollins.

Chicago Style (17th ed.) Citation

Simpson, Ian. Collins Complete Drawing Course. London: HarperCollins, 1994.

MLA (9th ed.) Citation

Simpson, Ian. Collins Complete Drawing Course. HarperCollins, 1994.

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