APA引文

Letters... (2009). Letters to president Obama: Americans share their hopes and dreams with the first African-American President. Skyhorse Publishing.

Chicago Style (17th ed.) Citation

Letters... Letters to President Obama: Americans Share Their Hopes and Dreams with the First African-American President. Skyhorse Publishing, 2009.

MLA引文

Letters... Letters to President Obama: Americans Share Their Hopes and Dreams with the First African-American President. Skyhorse Publishing, 2009.

警告：这些引文格式不一定是100％准确.