Cita APA (7th ed.)

Sparre, P., Ursin, E., & Venema, S. C. (1992). Introduction to tropical fish stock assessment. Food and Agriculture Organization of the United Nations.

Cita Chicago (17th ed.)

Sparre, Per, Erik Ursin, i S. C. Venema. Introduction to Tropical Fish Stock Assessment. Rome: Food and Agriculture Organization of the United Nations, 1992.

Cita MLA (9th ed.)

Sparre, Per, et al. Introduction to Tropical Fish Stock Assessment. Food and Agriculture Organization of the United Nations, 1992.