APA

Seligman (Edwin R A) Ed, . (1963). "Encyclopaedia of the Social Sciences, Vol.15: Trade Unions-Zwingli". : .

Chicago

Seligman (Edwin R A) Ed, . 1963. "Encyclopaedia of the Social Sciences, Vol.15: Trade Unions-Zwingli". : .

Harvard

Seligman (Edwin R A) Ed, . (1963). "Encyclopaedia of the Social Sciences, Vol.15: Trade Unions-Zwingli". : .

MLA

Seligman (Edwin R A) Ed, . "Encyclopaedia of the Social Sciences, Vol.15: Trade Unions-Zwingli". : . 1963.