Campbell, W. Joseph. "Introduction to an Improbable Year". 1995: The Year the Future Began, Berkeley: University of California Press, 2015, pp. 1-20. https://doi.org/10.1525/9780520959712-004
Campbell, W. (2015). Introduction to an Improbable Year. In 1995: The Year the Future Began (pp. 1-20). Berkeley: University of California Press. https://doi.org/10.1525/9780520959712-004
Campbell, W. 2015. Introduction to an Improbable Year. 1995: The Year the Future Began. Berkeley: University of California Press, pp. 1-20. https://doi.org/10.1525/9780520959712-004
Campbell, W. Joseph. "Introduction to an Improbable Year" In 1995: The Year the Future Began, 1-20. Berkeley: University of California Press, 2015. https://doi.org/10.1525/9780520959712-004
Campbell W. Introduction to an Improbable Year. In: 1995: The Year the Future Began. Berkeley: University of California Press; 2015. p.1-20. https://doi.org/10.1525/9780520959712-004