APA (7th ed.) Citation

Petruschell, R. L., & Kirkwood, T. F. (1973). San Diego clean air project: A generalized bus system cost model. Rand.

Chicago Style (17th ed.) Citation

Petruschell, R. L., and Thomas Frederick Kirkwood. San Diego Clean Air Project: A Generalized Bus System Cost Model. Santa Monica, CA: Rand, 1973.

MLA (9th ed.) Citation

Petruschell, R. L., and Thomas Frederick Kirkwood. San Diego Clean Air Project: A Generalized Bus System Cost Model. Rand, 1973.