APA (7th ed.) Citation

Kingsbury, J. M., Norman, E., & Norman, M. G. (1969). Seaweeds, of Cape Cod and the islands. Chatham Press.

Chicago Style (17th ed.) Citation

Kingsbury, John Merriam, Edward Norman, and Marcia Gaylord Norman. Seaweeds, of Cape Cod and the Islands. Chatham, Mass.: Chatham Press, 1969.

MLA (9th ed.) Citation

Kingsbury, John Merriam, et al. Seaweeds, of Cape Cod and the Islands. Chatham Press, 1969.