APA (7th ed.) Citation

Susan & Martin Penny. (2000). Glass painting made easy. A David & Charles Book.

Chicago Style (17th ed.) Citation

Susan and Martin Penny. Glass Painting Made Easy. UK: A David & Charles Book, 2000.

MLA (9th ed.) Citation

Susan and Martin Penny. Glass Painting Made Easy. A David & Charles Book, 2000.

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