APA ציטוט

Sykes, P. (1950). History of exploration: From the earliest times to the present day (3rd ed.).

Chicago Edition Citation

Sykes, Percy. History of Exploration: From the Earliest Times to the Present Day. 3rd ed. 1950.

ציטוט MLA

Sykes, Percy. History of Exploration: From the Earliest Times to the Present Day. 3rd ed. 1950.