APA (7th ed.) Citation

Heyer, F. (1969). The Catholic Church 1648 to 1870 / by F. Heyer. Adam and Charles Black.

Chicago Style (17th ed.) Citation

Heyer, F. The Catholic Church 1648 to 1870 / by F. Heyer. Adam and Charles Black, 1969.

MLA (9th ed.) Citation

Heyer, F. The Catholic Church 1648 to 1870 / by F. Heyer. Adam and Charles Black, 1969.

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