APA (7th ed.) Citation

Frey, P. R. (1969). Chemistry problems and how to solve them / by P.R. Frey. Barnes and Noble.

Chicago Style (17th ed.) Citation

Frey, P. R. Chemistry Problems and How to Solve Them / by P.R. Frey. Barnes and Noble, 1969.

MLA (9th ed.) Citation

Frey, P. R. Chemistry Problems and How to Solve Them / by P.R. Frey. Barnes and Noble, 1969.

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