Стиль цитування APA (7-ме видання)

Klemperer, P., & Padilla, A. (1993). Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR.

Чикаго стиль цитування (17-те видання)

Klemperer, P., та A. Padilla. Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR, 1993.

Стиль цитування MLA (9-ме видання)

Klemperer, P., та A. Padilla. Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR, 1993.