APA (7th ed.) Citation

Peabody Museum of Salem, Peabody & Essex Museum, & Peabody Essex Museum. The American neptune. Peabody Museum of Salem [etc.].

Chicago Style (17th ed.) Citation

Peabody Museum of Salem, Peabody & Essex Museum, and Peabody Essex Museum. The American Neptune. Salem, Mass.: Peabody Museum of Salem [etc.].

MLA (9th ed.) Citation

Peabody Museum of Salem, et al. The American Neptune. Peabody Museum of Salem [etc.].