APA Citation

Hubbard, L. R. (1990). Purification an illustrated answer to drugs. Los Angeles, Calf: Bridge.

Chicago Style Citation

Hubbard, L. Ron. Purification an Illustrated Answer to Drugs. Los Angeles, Calf: Bridge, 1990.

MLA Citation

Hubbard, L. Ron. Purification an Illustrated Answer to Drugs. Los Angeles, Calf: Bridge, 1990.

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