APA (7th ed.) Citation

Stiers, D., Keef, J. d., & Goovaerts, M. J. (1987). APL, the language and its actuarial applications. North-Holland.

Chicago Style (17th ed.) Citation

Stiers, D., J. de Keef, and M. J. Goovaerts. APL, the Language and Its Actuarial Applications. Amsterdam: North-Holland, 1987.

MLA (9th ed.) Citation

Stiers, D., et al. APL, the Language and Its Actuarial Applications. North-Holland, 1987.