The pattern of the past : can we determine it?

MLA

Geyl, Pieter, Pitirim Aleksandrovič Sorokin, and Arnold Joseph Toynbee. The Pattern of the Past : Can We Determine It?. Boston: Beacon Press, 1949.

APA

Geyl, P., Sorokin, P. Aleksandrovič, & Toynbee, A. Joseph. (1949). The pattern of the past : can we determine it?. Boston: Beacon Press.

Chicago

Geyl, Pieter, Pitirim Aleksandrovič Sorokin, and Arnold Joseph Toynbee. The Pattern of the Past: Can We Determine It?. Boston: Beacon Press, 1949.