APA Edition Citation

W Heber Youngken. (1948). Text book of Pharmacognosy. Mc Graw-Hill book company Inc.

Chicago Edition Citation

W Heber Youngken. Text Book of Pharmacognosy. Mc Graw-Hill book company Inc, 1948.

MLA Edition Citation

W Heber Youngken. Text Book of Pharmacognosy. Mc Graw-Hill book company Inc, 1948.

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