APA (7th ed.) Citation

Sansone, G., & Gerretsen, J. Lectures on the theory of functions of a complex variable. P. Noordhoff.

Chicago Style (17th ed.) Citation

Sansone, Giovanni, and Johan Gerretsen. Lectures on the Theory of Functions of a Complex Variable. Groningen: P. Noordhoff.

MLA (8th ed.) Citation

Sansone, Giovanni, and Johan Gerretsen. Lectures on the Theory of Functions of a Complex Variable. P. Noordhoff.

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