APA (7th ed.) Citation

Guptill, A. L. (1959). Pencil drawing: Step by step. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Guptill, Arthur L. Pencil Drawing: Step by Step. Van Nostrand Reinhold, 1959.

MLA (8th ed.) Citation

Guptill, Arthur L. Pencil Drawing: Step by Step. Van Nostrand Reinhold, 1959.

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