I'm trying to write a bibliography in which many authors of a book appears in this format:

Author1, Author2, Author3 and Author4

So, I'm using here biblatex this way:

\usepackage[backend=biber, style=alphabetic]{biblatex}

.bib file

    label       = {Tavares et al.},
    author      = {Cristopher Tavares and Kirk Fertitta and Brent Rector and Chris Sells},
    title       = {ATL Internals},
    subtitle    = {Working with ATL 8},
    edition     = {2},
    publisher   = {Addison-Wesley Professional},
    date        = {2006-07-15},
    totalpages  = {888}

But the output of this is

Cristopher Tavares and al.

.tex code:

\usepackage{babel} \usepackage{csquotes}% recommended in output (biblatex) 
\usepackage[backend=biber, style=alphabetic]{biblatex} 


How do I to deal with this, please?


Write in your preamble

\usepackage[backend=biber, style=alphabetic, maxnames=4]{biblatex} 

4 or more if you wish. There is also a minnames key which indicates the number of names that appear before et alii (default is 1). These values can be set independently for citations and the bibliography, with maxbibnames, minbibnames, maxcitenames and mincitenames (see p. 46 of the biblatex documentation).


The maxnames option is what you're looking for:

\usepackage[maxnames=100,backend=biber, style=alphabetic]{biblatex}

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