APA (7th ed.) Citation

Kreh, S. R. (1983). Advanced masonry skills. Delmar Publishers.

Chicago Style (17th ed.) Citation

Kreh, Sr. R.T. Advanced Masonry Skills. Delmar Publishers, 1983.

MLA (8th ed.) Citation

Kreh, Sr. R.T. Advanced Masonry Skills. Delmar Publishers, 1983.

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