Cita APA (7th ed.)

Levick, M., & Young, S. (1998). Beautiful spas and hot springs of California. Chronicle Books.

Cita Chicago (17th ed.)

Levick, Melba, i Stanley Young. Beautiful Spas and Hot Springs of California. San Francisco: Chronicle Books, 1998.

Cita MLA (9th ed.)

Levick, Melba, i Stanley Young. Beautiful Spas and Hot Springs of California. Chronicle Books, 1998.