APA   Click to copy
Gentner, D., & Collins, A. (1981). Studies of inference from lack of knowledge. Memory &Amp; Cognition.

Chicago/Turabian   Click to copy
Gentner, D., and A. Collins. “Studies of Inference from Lack of Knowledge.” Memory & Cognition (1981).

MLA   Click to copy
Gentner, D., and A. Collins. “Studies of Inference from Lack of Knowledge.” Memory &Amp; Cognition, 1981.

@article{d1981a,
  title = {Studies of inference from lack of knowledge},
  year = {1981},
  journal = {Memory & Cognition},
  author = {Gentner, D. and Collins, A.}
}