APA (7th ed.) Citation

Krejn, S. G., Petunin, J. I., & Semenov, E. M. (1982). Interpolation of linear operators. American Mathematical Soc.

Chicago Style (17th ed.) Citation

Krejn, Selim G., Jurij I. Petunin, and Evgenij M. Semenov. Interpolation of Linear Operators. Providence, RI: American Mathematical Soc, 1982.

MLA (9th ed.) Citation

Krejn, Selim G., et al. Interpolation of Linear Operators. American Mathematical Soc, 1982.