APA (7th ed.) Citation

Briggs, H. T. B. A guide to Plymouth and its history.

Chicago Style (17th ed.) Citation

Briggs, Helen T.; Briggs. A Guide to Plymouth and Its History.

MLA (9th ed.) Citation

Briggs, Helen T.; Briggs. A Guide to Plymouth and Its History.

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