Gaya APA

inc., E, B., (ed), D, R, C. (1999). Britannica book of the year 1999 Events of 1998 . : britanica.

Gaya MLA

inc., Encyclopaedia, Britannica,., (ed), David, R., Calhoun. "Britannica book of the year 1999 Events of 1998". : britanica, 1999. Text.