APA (7th ed.) Citation

Ek, S. (1975). Boliden 50. Boliden Aktiebolag.

Chicago Style (17th ed.) Citation

Ek, Stig. Boliden 50. Boliden: Boliden Aktiebolag, 1975.

MLA (9th ed.) Citation

Ek, Stig. Boliden 50. Boliden Aktiebolag, 1975.

Warning: These citations may not always be 100% accurate.