APA (7th ed.) Citation

Postle, M., & Vaughan, W. (1999). The artist's model from Etty to Spencer. Merrell Holberton.

Chicago Style (17th ed.) Citation

Postle, Martin, and William Vaughan. The Artist's Model from Etty to Spencer. London: Merrell Holberton, 1999.

MLA (9th ed.) Citation

Postle, Martin, and William Vaughan. The Artist's Model from Etty to Spencer. Merrell Holberton, 1999.