Cita APA (7a ed.)

Kreuzer, R., & Ahmed, R. (1978). Shark: Utilization and marketing. FAO.

Cita Chicago Style (17a ed.)

Kreuzer, R., y R. Ahmed. Shark: Utilization and Marketing. Rome, Italy: FAO, 1978.

Cita MLA (9a ed.)

Kreuzer, R., y R. Ahmed. Shark: Utilization and Marketing. FAO, 1978.