Cita APA

Harpp, D. N., & Harpp, D. N. (1972). Organic chemistry problems (2. edition.). Menlo Park, Calf.: WA Benjamin.

Citación estilo Chicago

Harpp, David N., y David N. Harpp. Organic Chemistry Problems. 2. edition. Menlo Park, Calf.: WA Benjamin, 1972.

Cita MLA

Harpp, David N., y David N. Harpp. Organic Chemistry Problems. 2. edition. Menlo Park, Calf.: WA Benjamin, 1972.