APA (7th ed.) Citation

De Grijs, R. (2017). Time and time again: Determination of longitude at sea in the 17th century. IOP Publishing.

Chicago Style (17th ed.) Citation

De Grijs, Richard. Time and Time Again: Determination of Longitude at Sea in the 17th Century. Bristol: IOP Publishing, 2017.

MLA (8th ed.) Citation

De Grijs, Richard. Time and Time Again: Determination of Longitude at Sea in the 17th Century. IOP Publishing, 2017.

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