Cita APA (7th ed.)

Beard, R. E., Pentikäinen, T., & Pesonen, E. (1984). Risk theory: The stochastic basis of insurance (3a. ed.). Chapman and Hall.

Cita Chicago (17th ed.)

Beard, Robert Eric, Teivo Pentikäinen, i Erkki Pesonen. Risk Theory: The Stochastic Basis of Insurance. 3a. ed. Londres: Chapman and Hall, 1984.

Cita MLA (9th ed.)

Beard, Robert Eric, et al. Risk Theory: The Stochastic Basis of Insurance. 3a. ed. Chapman and Hall, 1984.