APA Citation

Modell, W., & Lansing , A. (1972). Drogas. México: Life.

Chicago Style Citation

Modell, Walter, and Alfred Lansing. Drogas. México: Life, 1972.

MLA Citation

Modell, Walter, and Alfred Lansing. Drogas. México: Life, 1972.

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