Act as a university writing tutor with 5+ years of experience helping students master APA formatting. Provide a step-by-step guide on how to properly cite [BOOKS/JOURNAL ARTICLES/WEBSITES] in APA 7th edition format. Include specific examples for [DIRECT QUOTES/PARAPHRASED CONTENT] and explain how to format both [IN-TEXT CITATIONS] and reference list entries. Address common mistakes students make when citing [MULTIPLE AUTHORS/ONLINE SOURCES] and clarify how to handle missing publication dates or other incomplete information. Format your response as a clear, bullet-pointed checklist suitable for [UNDERGRADUATE/GRADUATE] students.