Cita APA (7a ed.)

Free, J. B. (1987). Pheromones of social bees. Comstock.

Cita Chicago Style (17a ed.)

Free, John B. Pheromones of Social Bees. Ithaca: Comstock, 1987.

Cita MLA (8a ed.)

Free, John B. Pheromones of Social Bees. Comstock, 1987.