APA (7th ed.) Citation

Quadritalia S.r.l. (Brendola) & Rotex Elektro s.r.o. (Stará Turá). (2011). OK series enclosures: Supplement to the General Catalogue 21.b ([1st ed.].). [s.n.].

Chicago Style (17th ed.) Citation

Quadritalia S.r.l. (Brendola) and Rotex Elektro s.r.o. (Stará Turá). OK Series Enclosures: Supplement to the General Catalogue 21.b. [1st ed.]. [S.l.]: [s.n.], 2011.

MLA (9th ed.) Citation

Quadritalia S.r.l. (Brendola) and Rotex Elektro s.r.o. (Stará Turá). OK Series Enclosures: Supplement to the General Catalogue 21.b. [1st ed.]. [s.n.], 2011.