Cita APA

Sachs, M. (1990). World guide to scientific associations and learned societies: 5. World guide to scientific associations and learned societies, 5.

Citación estilo Chicago

Sachs, Michael. "World Guide to Scientific Associations and Learned Societies: 5." World Guide to Scientific Associations and Learned Societies 1990: 5.

Cita MLA

Sachs, Michael. "World Guide to Scientific Associations and Learned Societies: 5." World Guide to Scientific Associations and Learned Societies, 1990, p. 5.