Cita APA (7th ed.)

Purcell, S. (2012). Commercially important sea cucumbers of the world. Food and Agriculture Organizaiton of the United Nations.

Cita Chicago (17th ed.)

Purcell, Steven. Commercially Important Sea Cucumbers of the World. Rome: Food and Agriculture Organizaiton of the United Nations, 2012.

Cita MLA (9th ed.)

Purcell, Steven. Commercially Important Sea Cucumbers of the World. Food and Agriculture Organizaiton of the United Nations, 2012.