Trích dẫn APA

Spickard Paul, James V Spichard, & Kevin M. Cragy. (1998). World history by the world''s historians. McGraw Hill.

Chicago Style (17th ed.) Citation

Spickard Paul, James V Spichard, and Kevin M. Cragy. World History by the World''s Historians. USA: McGraw Hill, 1998.

Trích dẫn MLA

Spickard Paul, et al. World History by the World''s Historians. McGraw Hill, 1998.