\startenvironment bib

\usebtxdefinitions[apa]
\usebtxdataset[../biblio.bib]

\setupbtx[apa:cite][etallimit=2]

% The dblp database ignores Pauls nice a-breve and s-comma
\btxremapauthor [Paul Fiterau{-}Brostean] [Paul Fiterău-Broștean]
\btxremapauthor [Michal Szynwelski] [Micha\l{} Szynwelski]
\btxremapauthor [Slawomir Lasota] [S\l{}awomir Lasota]

%\define[1]\citenp{\cite[left=,right=][#1]}   % Bla and Foo, 2015
%\define[1]\citet{\cite[authoryears][#1]}   % Bla and Foo (2015)
%\define[1]\citep{\cite[authoryear][#1]}    % (Bla and Foo, 2015)

%\cite[authoryear]   -> (Bla, Foo & Baz, 2015)
%\cite[authoryears]  -> Bla, Foo & Baz (2015)
%\cite[lefttext={See },righttext={ p.\nbsp yy}][book]  -> (See Bla, Foo & Baz, 2015, p. yy)

\stopenvironment