Cita APA (7th ed.)

Halstead, B. W. (1965). Poisonous and venomous marine animals of the world. United States Government Printing.

Cita Chicago (17th ed.)

Halstead, Bruce W. Poisonous and Venomous Marine Animals of the World. Washington, D.C.: United States Government Printing, 1965.

Cita MLA (9th ed.)

Halstead, Bruce W. Poisonous and Venomous Marine Animals of the World. United States Government Printing, 1965.