APA (7th ed.) Citation

Holt, R. (1994). The green door. MacMillan.

Chicago Style (17th ed.) Citation

Holt, Ron. The Green Door. Oxford: MacMillan, 1994.

MLA (9th ed.) Citation

Holt, Ron. The Green Door. MacMillan, 1994.

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