APA (7th ed.) Citation

Mutter, J., & O'Brien, M. (1991). The summer bookselling climate. Publishers Weekly, 238(38), 19.

Chicago Style (17th ed.) Citation

Mutter, J., and M. O'Brien. "The Summer Bookselling Climate." Publishers Weekly 238, no. 38 (1991): 19.

MLA (9th ed.) Citation

Mutter, J., and M. O'Brien. "The Summer Bookselling Climate." Publishers Weekly, vol. 238, no. 38, 1991, p. 19.