Cita APA

(1973). Biological science: An ecologicla approach (3.). Rand mcnally and company.

Citación estilo Chicago

Biological Science: An Ecologicla Approach. 3. Chicago: Rand mcnally and company, 1973.

Cita MLA

Biological Science: An Ecologicla Approach. 3. Rand mcnally and company, 1973.