APA (7th ed.) Citation

Lukas, G., & Lukas, J. (1986). Logo: Principles, programming, and projects. Brooks/Cole Pubishing.

Chicago Style (17th ed.) Citation

Lukas, George, and Joan Lukas. Logo: Principles, Programming, and Projects. Brooks/Cole Pubishing, 1986.

MLA (8th ed.) Citation

Lukas, George, and Joan Lukas. Logo: Principles, Programming, and Projects. Brooks/Cole Pubishing, 1986.

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