\documentclass{standalone}

% Package for circuits
\usepackage{circuitikz}

%Specifies how thick the bipoles are, e.g. the capacitor, the inductor, ...
\ctikzset{bipoles/thickness=1.2}

\newcommand{\midlabelline}[3]{
   \node (midlabel) at ($ (#1)!.5!(#2) $) {#3};
   \draw[latex-] (#1) --  (midlabel);
   \draw[-latex] (midlabel) -- (#2);
}


\begin{document}

	\begin{circuitikz}
		% Circuit
		\draw[line width=0.8]
		 (2,7) to [sinusoidal voltage source, l_=$V_S$, i=$I$] (2,1)
		 (2,7) to [resistor, l_=$R$] ++(6,0) to [inductor, l_=$L$] ++(0,-6) to [capacitor, l_=$C$] +(-6,0) ;
		 
		% Voltage Infos
		\midlabelline{2,8}{8,8}{$V_R$}
		\midlabelline{9,7}{9,1}{$V_L$}
		\midlabelline{2,0}{8,0}{$V_C$}
		
		% Grid
%		\draw[help lines] (0,0) grid (10,10)	;
	\end{circuitikz}
	
\end{document}
