Cita APA (7a ed.)

Gross, P., & Railton, E. P. (1972). Teaching science in an outdoor environment. University of California.

Cita Chicago Style (17a ed.)

Gross, Phyllis, y Esther P. Railton. Teaching Science in an Outdoor Environment. Berkeley: University of California, 1972.

Cita MLA (9a ed.)

Gross, Phyllis, y Esther P. Railton. Teaching Science in an Outdoor Environment. University of California, 1972.