APA (7th ed.) Citation

Kennedy, M. P., & Tan, S. S. (1977). Geology of the National City, Imperial Beach, and Otay Mesa quadrangles, San Diego Metropolitan area, California. California Division of Mines and Geology.

Chicago Style (17th ed.) Citation

Kennedy, Michael P., and Siang S. Tan. Geology of the National City, Imperial Beach, and Otay Mesa Quadrangles, San Diego Metropolitan Area, California. [San Francisco]: California Division of Mines and Geology, 1977.

MLA (9th ed.) Citation

Kennedy, Michael P., and Siang S. Tan. Geology of the National City, Imperial Beach, and Otay Mesa Quadrangles, San Diego Metropolitan Area, California. California Division of Mines and Geology, 1977.