APA (7th ed.) Citation

MacMullen, J. R. (1972). Extensions of positive-definite functions. American Mathematical Society.

Chicago Style (17th ed.) Citation

MacMullen, John R. Extensions of Positive-definite Functions. Providence, R.I: American Mathematical Society, 1972.

MLA (9th ed.) Citation

MacMullen, John R. Extensions of Positive-definite Functions. American Mathematical Society, 1972.

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