APA (7th ed.) Citation

Leonard Hill Technical Group. (1954). Building materials digest. Stratford Press for the Leonard Hill Technical Group.

Chicago Style (17th ed.) Citation

Leonard Hill Technical Group. Building Materials Digest. London: Stratford Press for the Leonard Hill Technical Group, 1954.

MLA (8th ed.) Citation

Leonard Hill Technical Group. Building Materials Digest. Stratford Press for the Leonard Hill Technical Group, 1954.

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