APA (7th ed.) Citation

MacDonald, G., Sanderson, R., & Yolen, J. The golden key. Eerdmans Books for Young Readers.

Chicago Style (17th ed.) Citation

MacDonald, George, Ruth Sanderson, and Jane Yolen. The Golden Key. Grand Rapids, Michigan: Eerdmans Books for Young Readers.

MLA (9th ed.) Citation

MacDonald, George, et al. The Golden Key. Eerdmans Books for Young Readers.

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