APA ציטוט
Spier, F. (2015). Big history and the future of humanity (Second edition.). Wiley Blackwell.
Chicago Style (17th ed.) Citation
Spier, Fred. Big History and the Future of Humanity. Second edition. Chichester, [England]: Wiley Blackwell, 2015.
ציטוט MLA
Spier, Fred. Big History and the Future of Humanity. Second edition. Wiley Blackwell, 2015.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.