APA (7th ed.) Citation

Panama, Belize, Costa Rica, Guatemala, Honduras, Nicaragua, & El Salvador. (1886). A collection of constitutions from Central America and Panama.

Chicago Style (17th ed.) Citation

Panama, Belize, Costa Rica, Guatemala, Honduras, Nicaragua, and El Salvador. A Collection of Constitutions from Central America and Panama. 1886.

MLA (8th ed.) Citation

Panama, et al. A Collection of Constitutions from Central America and Panama. 1886.