When typing a citation on a reference list,

1.   ?    all authors are included.
2.   ?    only the first author is included.
3.   ?    only the first six authors are included, followed by et al.
4.   ?    you can omit the authors' names on the reference list.

When citing an Internet-only journal on a reference page, it is important to remember that...

1.   ?    the publication date is omitted.
2.   ?    the year, month and date of publication are included.
3.   ?    one must type "Retrieved from" followed by the complete URL address, after the volume, issue and/or page number of the reference.
4.   ?    B and C