Gottesfeld, J., & Tavares, M. (2021). Twenty-one steps: Guarding the Tomb of the Unknown Soldier (First edition.). Candlewick Press.
Chicago Style (17th ed.) CitationGottesfeld, Jeff, and Matt Tavares. Twenty-one Steps: Guarding the Tomb of the Unknown Soldier. First edition. Somerville, Massachusetts: Candlewick Press, 2021.
MLA引文Gottesfeld, Jeff, and Matt Tavares. Twenty-one Steps: Guarding the Tomb of the Unknown Soldier. First edition. Candlewick Press, 2021.
警告：這些引文格式不一定是100％准確.