APA (7th ed.) Citation

Black, K. (1955). Group annuities. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Black, Kenneth. Group Annuities. Philadelphia: University of Pennsylvania Press, 1955.

MLA (8th ed.) Citation

Black, Kenneth. Group Annuities. University of Pennsylvania Press, 1955.

Warning: These citations may not always be 100% accurate.