Example:
Laplace (1814/1951) notes that...
OR
…(Laplace, 1814/1951).
Example:
Piaget (1957) states...
OR
...(Piaget, 1957).
Last name, Initial(s)., & Last name, Initial(s). (Year). Title (Initial(s), Last name, Trans.; Ed.). Publisher. (Original work published YYYY).
Laplace, P. S. (1951). A philosophical essay on probabilities. (F. W. Truscott & F. F. L. Emory, Trans.). Dover. (Original work published 1814).
Note: When you cite a republished work, like the one above, in your text it should appear with both dates: Laplace (1814/1951).
Last name, Initial(s). (Year). Title of work in original language [English translation of title]. Publisher. DOI (if available)
Example:
Piaget, J. (1957). Le jugement moral chez l'enfant [The moral judgement of the child]. Presses Universitaires de France.