APA Edition Citation

C J H Warden, David Hooper, & William Dymock. (1976). History of the Principal Drugs of Vegetable Origin: Vol. 2. Bishen Singh Mahendra Pal Singh.

Chicago Edition Citation

C J H Warden, David Hooper, and William Dymock. History of the Principal Drugs of Vegetable Origin: Vol. 2. Bishen Singh Mahendra Pal Singh, 1976.

MLA Edition Citation

C J H Warden, et al. History of the Principal Drugs of Vegetable Origin: Vol. 2. Bishen Singh Mahendra Pal Singh, 1976.